df.knowledge.xml

<data-definition>
    <bitfield-type type-name='knowledge_scholar_flags_0' base-type='uint32_t'>
        <flag-bit name='philosophy_logic_formal_reasoning'/>
        <flag-bit name='philosophy_logic_deductive_reasoning'/>
        <flag-bit name='philosophy_logic_syllogistic_logic'/>
        <flag-bit name='philosophy_logic_hypothetical_syllogisms'/>
        <flag-bit name='philosophy_logic_propositional_logic'/>
        <flag-bit name='philosophy_logic_dialectic_reasoning'/>
        <flag-bit name='philosophy_logic_analogical_inference'/>
        <flag-bit name='philosophy_ethics_applied_medical'/>

        <flag-bit name='philosophy_ethics_individual_value'/>
        <flag-bit name='philosophy_ethics_state_consequentialism'/>
        <flag-bit name='philosophy_epistemology_truth'/>
        <flag-bit name='philosophy_epistemology_perception'/>
        <flag-bit name='philosophy_epistemology_justification'/>
        <flag-bit name='philosophy_epistemology_belief'/>
        <flag-bit name='philosophy_metaphysics_existence'/>
        <flag-bit name='philosophy_metaphysics_time'/>

        <flag-bit name='philosophy_metaphysics_mind_body'/>
        <flag-bit name='philosophy_metaphysics_objects_and_properties'/>
        <flag-bit name='philosophy_metaphysics_wholes_and_parts'/>
        <flag-bit name='philosophy_metaphysics_events'/>
        <flag-bit name='philosophy_metaphysics_processes'/>
        <flag-bit name='philosophy_metaphysics_causation'/>
        <flag-bit name='philosophy_ethics_applied_military'/>
        <flag-bit name='philosophy_ethics_applied_interpersonal_conduct'/>

        <flag-bit name='philosophy_specialized_law'/>
        <flag-bit name='philosophy_specialized_education'/>
        <flag-bit name='philosophy_specialized_language_grammar'/>
        <flag-bit name='philosophy_specialized_language_etymology'/>
        <flag-bit name='philosophy_specialized_politics_diplomacy'/>
        <flag-bit name='philosophy_specialized_politics_government_forms'/>
        <flag-bit name='philosophy_specialized_politics_economic_policy'/>
        <flag-bit name='philosophy_specialized_politics_social_welfare'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_1' base-type='uint32_t'>
        <flag-bit name='philosophy_logic_inductive_reasoning'/>
        <flag-bit name='philosophy_logic_direct_inference'/>
        <flag-bit name='philosophy_aesthetics_nature_of_beauty'/>
        <flag-bit name='philosophy_aesthetics_value_of_art'/>
        <flag-bit name='philosophy_specialized_language_dictionary'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_2' base-type='uint32_t'>
        <flag-bit name='mathematics_method_proof_by_contradiction'/>
        <flag-bit name='mathematics_notation_zero'/>
        <flag-bit name='mathematics_notation_negative_numbers'/>
        <flag-bit name='mathematics_notation_large_numbers'/>
        <flag-bit name='mathematics_notation_positional'/>
        <flag-bit name='mathematics_geometry_basic_objects'/>
        <flag-bit name='mathematics_method_exhaustion'/>
        <flag-bit name='mathematics_geometry_similar_and_congruent_triangles'/>

        <flag-bit name='mathematics_geometry_geometric_mean_theorem'/>
        <flag-bit name='mathematics_geometry_isosceles_base_angles_equal'/>
        <flag-bit name='mathematics_geometry_inscribed_triangle_on_diameter_is_right'/>
        <flag-bit name='mathematics_geometry_pythagorean_theorem'/>
        <flag-bit name='mathematics_geometry_pythagorean_triples_small'/>
        <flag-bit name='mathematics_geometry_pythagorean_triples_3_digit'/>
        <flag-bit name='mathematics_geometry_pythagorean_triples_4_digit'/>
        <flag-bit name='mathematics_geometry_existence_of_incommensurable_ratios'/>

        <flag-bit name='mathematics_method_axiomatic_reasoning'/>
        <flag-bit name='mathematics_numbers_unique_prime_factorization'/>
        <flag-bit name='mathematics_numbers_algorithm_for_computing_gcd'/>
        <flag-bit name='mathematics_geometry_volume_of_pyramid'/>
        <flag-bit name='mathematics_geometry_volume_of_cone'/>
        <flag-bit name='mathematics_geometry_volume_of_sphere'/>
        <flag-bit name='mathematics_geometry_pi_to_4_digits'/>
        <flag-bit name='mathematics_numbers_division_algorithm'/>

        <flag-bit name='mathematics_geometry_table_of_chord_values'/>
        <flag-bit name='mathematics_geometry_area_of_triangle_from_side_lengths'/>
        <flag-bit name='mathematics_geometry_area_of_circle'/>
        <flag-bit name='mathematics_geometry_pi_to_6_digits'/>
        <flag-bit name='mathematics_geometry_definitions_and_basic_properties_of_conic_sections'/>
        <flag-bit name='mathematics_numbers_chinese_remainder_algorithm'/>
        <flag-bit name='mathematics_geometry_area_enclosed_by_line_and_parabola'/>
        <flag-bit name='mathematics_numbers_sieve_algorithm_for_primes'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_3' base-type='uint32_t'>
        <flag-bit name='mathematics_numbers_root_2_to_5_digits'/>
        <flag-bit name='mathematics_numbers_infinite_primes'/>
        <flag-bit name='mathematics_numbers_root_2_irrational'/>
        <flag-bit name='mathematics_geometry_surface_area_of_sphere'/>
        <flag-bit name='mathematics_algebra_finite_summation_formulas'/>
        <flag-bit name='mathematics_algebra_solving_linear_systems'/>
        <flag-bit name='mathematics_algebra_balancing_and_completion'/>
        <flag-bit name='mathematics_algebra_quadratic_by_completing_square'/>

        <flag-bit name='mathematics_algebra_quadratic_formula'/>
        <flag-bit name='mathematics_notation_syncopated_algebra'/>
        <flag-bit name='mathematics_geometry_law_of_sines'/>
        <flag-bit name='mathematics_geometry_angle_sum_difference_trig_identities'/>
        <flag-bit name='mathematics_algebra_pascals_triangle'/>
        <flag-bit name='mathematics_algebra_solving_higher_order_polynomials'/>
        <flag-bit name='mathematics_notation_early_symbols_for_operations'/>
        <flag-bit name='mathematics_algebra_divergence_of_harmonic_series'/>

        <flag-bit name='mathematics_geometry_properties_of_chords'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_4' base-type='uint32_t'>
        <flag-bit name='history_sourcing_basic_reliability'/>
        <flag-bit name='history_sourcing_role_of_systemic_bias'/>
        <flag-bit name='history_sourcing_role_of_state_bias_and_propaganda'/>
        <flag-bit name='history_sourcing_personal_interviews'/>
        <flag-bit name='history_theory_historical_causation'/>
        <flag-bit name='history_theory_historical_cycles'/>
        <flag-bit name='history_theory_social_cohesion'/>
        <flag-bit name='history_theory_social_conflict'/>

        <flag-bit name='history_form_biography'/>
        <flag-bit name='history_form_comparative_biography'/>
        <flag-bit name='history_form_biographical_dictionaries'/>
        <flag-bit name='history_form_autobiographical_adventure'/>
        <flag-bit name='history_form_genealogy'/>
        <flag-bit name='history_form_encyclopedia'/>
        <flag-bit name='history_form_cultural_history'/>
        <flag-bit name='history_form_cultural_comparison'/>

        <flag-bit name='history_sourcing_role_of_cultural_differences'/>
        <flag-bit name='history_form_alternate_history'/>
        <flag-bit name='history_sourcing_basic_archaeology'/>
        <flag-bit name='history_form_treatise_on_tech_evolution'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_5' base-type='uint32_t'>
        <flag-bit name='astronomy_phases_of_the_moon'/>
        <flag-bit name='astronomy_summer_winter_moon'/>
        <flag-bit name='astronomy_path_of_the_moon'/>
        <flag-bit name='astronomy_tides_and_the_moon'/>
        <flag-bit name='astronomy_height_of_tides_vs_moon_and_sun'/>
        <flag-bit name='astronomy_summer_winter_sun'/>
        <flag-bit name='astronomy_relationship_between_lunar_solar_year'/>
        <flag-bit name='astronomy_daylight_variation_with_solar_year'/>

        <flag-bit name='astronomy_geocentric_model'/>
        <flag-bit name='astronomy_heliocentric_model'/>
        <flag-bit name='astronomy_dates_of_lunar_and_solar_eclipses'/>
        <flag-bit name='astronomy_star_charts'/>
        <flag-bit name='astronomy_star_catalogues_100'/>
        <flag-bit name='astronomy_star_catalogues_1000'/>
        <flag-bit name='astronomy_star_color_classification'/>
        <flag-bit name='astronomy_star_magnitude_classification'/>

        <flag-bit name='astronomy_shape_of_the_world'/>
        <flag-bit name='astronomy_precession_of_equinoxes'/>
        <flag-bit name='astronomy_method_empirical_observation'/>
        <flag-bit name='astronomy_method_path_models'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_6' base-type='uint32_t'>
        <flag-bit name='naturalist_method_dissection'/>
        <flag-bit name='naturalist_observation_anatomy'/>
        <flag-bit name='naturalist_theory_comparative_anatomy'/>
        <flag-bit name='naturalist_theory_classification_by_physical_features'/>
        <flag-bit name='naturalist_observation_migration_patterns'/>
        <flag-bit name='naturalist_observation_reproductive_behavior'/>
        <flag-bit name='naturalist_observation_foraging_behavior_and_diet'/>
        <flag-bit name='naturalist_theory_food_chain'/>

        <flag-bit name='naturalist_observation_social_behavior'/>
        <flag-bit name='naturalist_observation_diseases'/>
        <flag-bit name='naturalist_theory_climactic_adaptation'/>
        <flag-bit name='naturalist_observation_embriological_development'/>
        <flag-bit name='naturalist_theory_struggle_for_existence'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_7' base-type='uint32_t'>
        <flag-bit name='chemistry_classification_combustibles'/>
        <flag-bit name='chemistry_classification_ores'/>
        <flag-bit name='chemistry_metallurgy_alloys'/>
        <flag-bit name='chemistry_classification_scratch_test'/>
        <flag-bit name='chemistry_classification_elemental_theory'/>
        <flag-bit name='chemistry_chemicals_adhesives'/>
        <flag-bit name='chemistry_laboratory_blast_furnace'/>
        <flag-bit name='chemistry_laboratory_alembic'/>

        <flag-bit name='chemistry_laboratory_theory_of_liquid_liquid_extraction'/>
        <flag-bit name='chemistry_laboratory_theory_of_distillation'/>
        <flag-bit name='chemistry_laboratory_theory_of_evaporation'/>
        <flag-bit name='chemistry_classification_alkali_and_acids'/>
        <flag-bit name='chemistry_laboratory_systematic_experiments'/>
        <flag-bit name='chemistry_laboratory_glass_flask'/>
        <flag-bit name='chemistry_laboratory_glass_beaker'/>
        <flag-bit name='chemistry_laboratory_glass_vial'/>

        <flag-bit name='chemistry_laboratory_glass_funnel'/>
        <flag-bit name='chemistry_laboratory_crucible'/>
        <flag-bit name='chemistry_chemicals_nitric_acid'/>
        <flag-bit name='chemistry_chemicals_sulfuric_acid'/>
        <flag-bit name='chemistry_chemicals_aqua_regia'/>
        <flag-bit name='chemistry_laboratory_glass_ampoule'/>
        <flag-bit name='chemistry_laboratory_glass_retort'/>
        <flag-bit name='chemistry_laboratory_lab_ovens'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_8' base-type='uint32_t'>
        <flag-bit name='geography_surveying_basic'/>
        <flag-bit name='geography_surveying_staff'/>
        <flag-bit name='geography_cartography_basic'/>
        <flag-bit name='geography_surveying_triangulation'/>
        <flag-bit name='geography_surveying_cartographical'/>
        <flag-bit name='geography_surveying_land'/>
        <flag-bit name='geography_surveying_military'/>
        <flag-bit name='geography_surveying_engineering'/>

        <flag-bit name='geography_cartography_geological'/>
        <flag-bit name='geography_cartography_grid_system'/>
        <flag-bit name='geography_cartography_distance_scale'/>
        <flag-bit name='geography_cartography_height_measurements'/>
        <flag-bit name='geography_method_economic_data_collection'/>
        <flag-bit name='geography_cartography_economic'/>
        <flag-bit name='geography_form_atlas'/>
        <flag-bit name='geography_theory_delta_formation'/>

        <flag-bit name='geography_theory_wind_patterns'/>
        <flag-bit name='geography_theory_origin_of_rainfall_from_evap_condense'/>
        <flag-bit name='geography_theory_water_cycle'/>
        <flag-bit name='geography_theory_latitude_climate_zones'/>
        <flag-bit name='geography_cartography_accurate_maps'/>
        <flag-bit name='geography_cartography_map_projections'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_9' base-type='uint32_t'>
        <flag-bit name='medicine_theory_disease_and_fouled_water'/>
        <flag-bit name='medicine_method_physical_examination'/>
        <flag-bit name='medicine_method_autopsy'/>
        <flag-bit name='medicine_theory_prognosis'/>
        <flag-bit name='medicine_tool_herbal_remedies'/>
        <flag-bit name='medicine_tool_animal_remedies'/>
        <flag-bit name='medicine_tool_mineral_remedies'/>
        <flag-bit name='medicine_tool_bandages'/>

        <flag-bit name='medicine_theory_disease_classification'/>
        <flag-bit name='medicine_theory_toxicology'/>
        <flag-bit name='medicine_theory_acute_and_chronic_conditions'/>
        <flag-bit name='medicine_theory_endemic_disease'/>
        <flag-bit name='medicine_theory_epidemic_disease'/>
        <flag-bit name='medicine_theory_exacerbation'/>
        <flag-bit name='medicine_theory_paroxysm'/>
        <flag-bit name='medicine_theory_relapse'/>

        <flag-bit name='medicine_theory_convalescence'/>
        <flag-bit name='medicine_method_treatment_of_traumatic_injuries'/>
        <flag-bit name='medicine_method_fracture_treatment'/>
        <flag-bit name='medicine_theory_fracture_classification'/>
        <flag-bit name='medicine_tool_traction_bench'/>
        <flag-bit name='medicine_method_fracture_immobilization'/>
        <flag-bit name='medicine_tool_orthopedic_cast'/>
        <flag-bit name='medicine_method_surgery_excision'/>

        <flag-bit name='medicine_method_surgery_incision'/>
        <flag-bit name='medicine_method_hernia_surgery'/>
        <flag-bit name='medicine_method_tracheotomy_surgery'/>
        <flag-bit name='medicine_method_lithotomy_surgery'/>
        <flag-bit name='medicine_method_surgery_scraping'/>
        <flag-bit name='medicine_method_surgery_draining'/>
        <flag-bit name='medicine_method_surgery_probing'/>
        <flag-bit name='medicine_method_surgery_suturing'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_10' base-type='uint32_t'>
        <flag-bit name='medicine_method_surgery_ligature'/>
        <flag-bit name='medicine_theory_surgical_models'/>
        <flag-bit name='medicine_tool_mud_bags_as_surgical_models'/>
        <flag-bit name='medicine_tool_plants_as_surgical_models'/>
        <flag-bit name='medicine_tool_animals_as_surgical_models'/>
        <flag-bit name='medicine_theory_specialized_surgical_instruments'/>
        <flag-bit name='medicine_tool_forceps'/>
        <flag-bit name='medicine_tool_scalpel'/>

        <flag-bit name='medicine_tool_surgical_scissors'/>
        <flag-bit name='medicine_tool_surgical_needles'/>
        <flag-bit name='medicine_method_cataract_surgery'/>
        <flag-bit name='medicine_method_cauterization'/>
        <flag-bit name='medicine_method_anesthesia'/>
        <flag-bit name='medicine_theory_pulmonary_medicine'/>
        <flag-bit name='medicine_theory_anatomical_studies'/>
        <flag-bit name='medicine_theory_classification_of_bodily_fluids'/>

        <flag-bit name='medicine_theory_eye_anatomy'/>
        <flag-bit name='medicine_theory_motor_vs_sensory_nerves'/>
        <flag-bit name='medicine_theory_nervous_system_function'/>
        <flag-bit name='medicine_theory_reaction_time'/>
        <flag-bit name='medicine_theory_blood_vessels'/>
        <flag-bit name='medicine_theory_pulmonary_circulation'/>
        <flag-bit name='medicine_theory_comparative_anatomy'/>
        <flag-bit name='medicine_theory_the_voice'/>

        <flag-bit name='medicine_theory_classification_of_muscles'/>
        <flag-bit name='medicine_theory_classification_of_mental_illnesses'/>
        <flag-bit name='medicine_theory_treatment_of_mental_illnesses'/>
        <flag-bit name='medicine_tool_dedicated_hospitals'/>
        <flag-bit name='medicine_method_professional_hospital_staff'/>
        <flag-bit name='medicine_method_specialized_wards'/>
        <flag-bit name='medicine_method_hospital_lab'/>
        <flag-bit name='medicine_method_medical_school'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_11' base-type='uint32_t'>
        <flag-bit name='medicine_method_asylum_for_mentally_ill'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_12' base-type='uint32_t'>
        <flag-bit name='engineering_horology_shadow_clock'/>
        <flag-bit name='engineering_horology_water_clock'/>
        <flag-bit name='engineering_horology_conical_water_clock'/>
        <flag-bit name='engineering_horology_water_clock_reservoir'/>
        <flag-bit name='engineering_horology_astrarium'/>
        <flag-bit name='engineering_horology_hourglass'/>
        <flag-bit name='engineering_horology_mechanical_clock'/>
        <flag-bit name='engineering_machine_theory_of_pulley'/>

        <flag-bit name='engineering_machine_pulley'/>
        <flag-bit name='engineering_machine_theory_of_screw'/>
        <flag-bit name='engineering_machine_screw'/>
        <flag-bit name='engineering_machine_theory_of_wheel_and_axle'/>
        <flag-bit name='engineering_machine_windlass'/>
        <flag-bit name='engineering_machine_theory_of_wedge'/>
        <flag-bit name='engineering_machine_theory_of_lever'/>
        <flag-bit name='engineering_machine_lever'/>

        <flag-bit name='engineering_machine_straight_beam_balance'/>
        <flag-bit name='engineering_machine_theory_of_gears'/>
        <flag-bit name='engineering_machine_warded_lock'/>
        <flag-bit name='engineering_machine_tumbler_lock'/>
        <flag-bit name='engineering_machine_padlock'/>
        <flag-bit name='engineering_machine_camshaft'/>
        <flag-bit name='engineering_machine_crankshaft'/>
        <flag-bit name='engineering_machine_water_powered_sawmill'/>

        <flag-bit name='engineering_machine_chariot_odometer'/>
        <flag-bit name='engineering_machine_chain_drive'/>
        <flag-bit name='engineering_machine_mechanical_compass'/>
        <flag-bit name='engineering_machine_differential_gear'/>
        <flag-bit name='engineering_machine_combination_lock'/>
        <flag-bit name='engineering_machine_verge_escapement'/>
        <flag-bit name='engineering_machine_balance_wheel'/>
        <flag-bit name='engineering_fluid_theory_of_siphon'/>
    </bitfield-type>

    <bitfield-type type-name='knowledge_scholar_flags_13' base-type='uint32_t'>
        <flag-bit name='engineering_fluid_valves'/>
        <flag-bit name='engineering_fluid_force_pump'/>
        <flag-bit name='engineering_optics_crystal_lens'/>
        <flag-bit name='engineering_optics_water_filled_spheres'/>
        <flag-bit name='engineering_optics_glass_lens'/>
        <flag-bit name='engineering_optics_camera_obscura'/>
        <flag-bit name='engineering_optics_parabolic_mirror'/>
        <flag-bit name='engineering_optics_theory_of_color'/>

        <flag-bit name='engineering_optics_theory_of_rainbows'/>
        <flag-bit name='engineering_optics_law_of_refraction'/>
        <flag-bit name='engineering_design_models_and_templates'/>
        <flag-bit name='engineering_construction_wood_lamination'/>
        <flag-bit name='engineering_astronomy_dioptra'/>
        <flag-bit name='engineering_astronomy_astrolabe'/>
        <flag-bit name='engineering_astronomy_armillary_sphere'/>
        <flag-bit name='engineering_astronomy_spherical_astrolabe'/>

        <flag-bit name='engineering_astronomy_mural_instrument'/>
        <flag-bit name='engineering_astronomy_orrery'/>
        <flag-bit name='engineering_machine_water_powered_trip_hammer'/>
        <flag-bit name='engineering_machine_double_acting_piston_bellows'/>
        <flag-bit name='engineering_fluid_archimedes_principle'/>
        <flag-bit name='engineering_optics_atmospheric_refraction'/>
        <flag-bit name='engineering_optics_cause_of_twilight'/>
        <flag-bit name='engineering_optics_height_of_atmosphere'/>

        <flag-bit name='engineering_machine_piston'/>
        <flag-bit name='engineering_machine_crank'/>
        <flag-bit name='engineering_machine_bellows'/>
        <flag-bit name='engineering_machine_water_powered_piston_bellows'/>
        <flag-bit name='engineering_machine_water_wheel'/>
        <flag-bit name='engineering_machine_trip_hammer'/>
    </bitfield-type>

    <struct-type type-name='knowledge_scholar_category_flag'>
        <extra-include type-name='dfhack_knowledge_scholar_flag'/>
        <int32_t name='category' comment='determines which bitflags to use'/>
        <compound name='flags' is-union='true'>
            <bitfield name='flags_0' type-name='knowledge_scholar_flags_0'/>
            <bitfield name='flags_1' type-name='knowledge_scholar_flags_1'/>
            <bitfield name='flags_2' type-name='knowledge_scholar_flags_2'/>
            <bitfield name='flags_3' type-name='knowledge_scholar_flags_3'/>
            <bitfield name='flags_4' type-name='knowledge_scholar_flags_4'/>
            <bitfield name='flags_5' type-name='knowledge_scholar_flags_5'/>
            <bitfield name='flags_6' type-name='knowledge_scholar_flags_6'/>
            <bitfield name='flags_7' type-name='knowledge_scholar_flags_7'/>
            <bitfield name='flags_8' type-name='knowledge_scholar_flags_8'/>
            <bitfield name='flags_9' type-name='knowledge_scholar_flags_9'/>
            <bitfield name='flags_10' type-name='knowledge_scholar_flags_10'/>
            <bitfield name='flags_11' type-name='knowledge_scholar_flags_11'/>
            <bitfield name='flags_12' type-name='knowledge_scholar_flags_12'/>
            <bitfield name='flags_13' type-name='knowledge_scholar_flags_13'/>
            <uint32_t name='whole'/>
        </compound>

        <custom-methods>
            <cmethod name='value'/>
        </custom-methods>
    </struct-type>

    <enum-type type-name='dfhack_knowledge_scholar_flag' base-type='int32_t' comment='not in DF'>
        <enum-item name='philosophy_logic_formal_reasoning' value='0'/>
        <enum-item name='philosophy_logic_deductive_reasoning'/>
        <enum-item name='philosophy_logic_syllogistic_logic'/>
        <enum-item name='philosophy_logic_hypothetical_syllogisms'/>
        <enum-item name='philosophy_logic_propositional_logic'/>
        <enum-item name='philosophy_logic_dialectic_reasoning'/>
        <enum-item name='philosophy_logic_analogical_inference'/>
        <enum-item name='philosophy_ethics_applied_medical'/>

        <enum-item name='philosophy_ethics_individual_value'/>
        <enum-item name='philosophy_ethics_state_consequentialism'/>
        <enum-item name='philosophy_epistemology_truth'/>
        <enum-item name='philosophy_epistemology_perception'/>
        <enum-item name='philosophy_epistemology_justification'/>
        <enum-item name='philosophy_epistemology_belief'/>
        <enum-item name='philosophy_metaphysics_existence'/>
        <enum-item name='philosophy_metaphysics_time'/>

        <enum-item name='philosophy_metaphysics_mind_body'/>
        <enum-item name='philosophy_metaphysics_objects_and_properties'/>
        <enum-item name='philosophy_metaphysics_wholes_and_parts'/>
        <enum-item name='philosophy_metaphysics_events'/>
        <enum-item name='philosophy_metaphysics_processes'/>
        <enum-item name='philosophy_metaphysics_causation'/>
        <enum-item name='philosophy_ethics_applied_military'/>
        <enum-item name='philosophy_ethics_applied_interpersonal_conduct'/>

        <enum-item name='philosophy_specialized_law'/>
        <enum-item name='philosophy_specialized_education'/>
        <enum-item name='philosophy_specialized_language_grammar'/>
        <enum-item name='philosophy_specialized_language_etymology'/>
        <enum-item name='philosophy_specialized_politics_diplomacy'/>
        <enum-item name='philosophy_specialized_politics_government_forms'/>
        <enum-item name='philosophy_specialized_politics_economic_policy'/>
        <enum-item name='philosophy_specialized_politics_social_welfare'/>

        <enum-item name='philosophy_logic_inductive_reasoning' value='32'/>
        <enum-item name='philosophy_logic_direct_inference'/>
        <enum-item name='philosophy_aesthetics_nature_of_beauty'/>
        <enum-item name='philosophy_aesthetics_value_of_art'/>
        <enum-item name='philosophy_specialized_language_dictionary'/>

        <enum-item name='mathematics_method_proof_by_contradiction' value='64'/>
        <enum-item name='mathematics_notation_zero'/>
        <enum-item name='mathematics_notation_negative_numbers'/>
        <enum-item name='mathematics_notation_large_numbers'/>
        <enum-item name='mathematics_notation_positional'/>
        <enum-item name='mathematics_geometry_basic_objects'/>
        <enum-item name='mathematics_method_exhaustion'/>
        <enum-item name='mathematics_geometry_similar_and_congruent_triangles'/>

        <enum-item name='mathematics_geometry_geometric_mean_theorem'/>
        <enum-item name='mathematics_geometry_isosceles_base_angles_equal'/>
        <enum-item name='mathematics_geometry_inscribed_triangle_on_diameter_is_right'/>
        <enum-item name='mathematics_geometry_pythagorean_theorem'/>
        <enum-item name='mathematics_geometry_pythagorean_triples_small'/>
        <enum-item name='mathematics_geometry_pythagorean_triples_3_digit'/>
        <enum-item name='mathematics_geometry_pythagorean_triples_4_digit'/>
        <enum-item name='mathematics_geometry_existence_of_incommensurable_ratios'/>

        <enum-item name='mathematics_method_axiomatic_reasoning'/>
        <enum-item name='mathematics_numbers_unique_prime_factorization'/>
        <enum-item name='mathematics_numbers_algorithm_for_computing_gcd'/>
        <enum-item name='mathematics_geometry_volume_of_pyramid'/>
        <enum-item name='mathematics_geometry_volume_of_cone'/>
        <enum-item name='mathematics_geometry_volume_of_sphere'/>
        <enum-item name='mathematics_geometry_pi_to_4_digits'/>
        <enum-item name='mathematics_numbers_division_algorithm'/>

        <enum-item name='mathematics_geometry_table_of_chord_values'/>
        <enum-item name='mathematics_geometry_area_of_triangle_from_side_lengths'/>
        <enum-item name='mathematics_geometry_area_of_circle'/>
        <enum-item name='mathematics_geometry_pi_to_6_digits'/>
        <enum-item name='mathematics_geometry_definitions_and_basic_properties_of_conic_sections'/>
        <enum-item name='mathematics_numbers_chinese_remainder_algorithm'/>
        <enum-item name='mathematics_geometry_area_enclosed_by_line_and_parabola'/>
        <enum-item name='mathematics_numbers_sieve_algorithm_for_primes'/>

        <enum-item name='mathematics_numbers_root_2_to_5_digits' value='96'/>
        <enum-item name='mathematics_numbers_infinite_primes'/>
        <enum-item name='mathematics_numbers_root_2_irrational'/>
        <enum-item name='mathematics_geometry_surface_area_of_sphere'/>
        <enum-item name='mathematics_algebra_finite_summation_formulas'/>
        <enum-item name='mathematics_algebra_solving_linear_systems'/>
        <enum-item name='mathematics_algebra_balancing_and_completion'/>
        <enum-item name='mathematics_algebra_quadratic_by_completing_square'/>

        <enum-item name='mathematics_algebra_quadratic_formula'/>
        <enum-item name='mathematics_notation_syncopated_algebra'/>
        <enum-item name='mathematics_geometry_law_of_sines'/>
        <enum-item name='mathematics_geometry_angle_sum_difference_trig_identities'/>
        <enum-item name='mathematics_algebra_pascals_triangle'/>
        <enum-item name='mathematics_algebra_solving_higher_order_polynomials'/>
        <enum-item name='mathematics_notation_early_symbols_for_operations'/>
        <enum-item name='mathematics_algebra_divergence_of_harmonic_series'/>

        <enum-item name='mathematics_geometry_properties_of_chords'/>

        <enum-item name='history_sourcing_basic_reliability' value='128'/>
        <enum-item name='history_sourcing_role_of_systemic_bias'/>
        <enum-item name='history_sourcing_role_of_state_bias_and_propaganda'/>
        <enum-item name='history_sourcing_personal_interviews'/>
        <enum-item name='history_theory_historical_causation'/>
        <enum-item name='history_theory_historical_cycles'/>
        <enum-item name='history_theory_social_cohesion'/>
        <enum-item name='history_theory_social_conflict'/>

        <enum-item name='history_form_biography'/>
        <enum-item name='history_form_comparative_biography'/>
        <enum-item name='history_form_biographical_dictionaries'/>
        <enum-item name='history_form_autobiographical_adventure'/>
        <enum-item name='history_form_genealogy'/>
        <enum-item name='history_form_encyclopedia'/>
        <enum-item name='history_form_cultural_history'/>
        <enum-item name='history_form_cultural_comparison'/>

        <enum-item name='history_sourcing_role_of_cultural_differences'/>
        <enum-item name='history_form_alternate_history'/>
        <enum-item name='history_sourcing_basic_archaeology'/>
        <enum-item name='history_form_treatise_on_tech_evolution'/>

        <enum-item name='astronomy_phases_of_the_moon' value='160'/>
        <enum-item name='astronomy_summer_winter_moon'/>
        <enum-item name='astronomy_path_of_the_moon'/>
        <enum-item name='astronomy_tides_and_the_moon'/>
        <enum-item name='astronomy_height_of_tides_vs_moon_and_sun'/>
        <enum-item name='astronomy_summer_winter_sun'/>
        <enum-item name='astronomy_relationship_between_lunar_solar_year'/>
        <enum-item name='astronomy_daylight_variation_with_solar_year'/>

        <enum-item name='astronomy_geocentric_model'/>
        <enum-item name='astronomy_heliocentric_model'/>
        <enum-item name='astronomy_dates_of_lunar_and_solar_eclipses'/>
        <enum-item name='astronomy_star_charts'/>
        <enum-item name='astronomy_star_catalogues_100'/>
        <enum-item name='astronomy_star_catalogues_1000'/>
        <enum-item name='astronomy_star_color_classification'/>
        <enum-item name='astronomy_star_magnitude_classification'/>

        <enum-item name='astronomy_shape_of_the_world'/>
        <enum-item name='astronomy_precession_of_equinoxes'/>
        <enum-item name='astronomy_method_empirical_observation'/>
        <enum-item name='astronomy_method_path_models'/>

        <enum-item name='naturalist_method_dissection' value='192'/>
        <enum-item name='naturalist_observation_anatomy'/>
        <enum-item name='naturalist_theory_comparative_anatomy'/>
        <enum-item name='naturalist_theory_classification_by_physical_features'/>
        <enum-item name='naturalist_observation_migration_patterns'/>
        <enum-item name='naturalist_observation_reproductive_behavior'/>
        <enum-item name='naturalist_observation_foraging_behavior_and_diet'/>
        <enum-item name='naturalist_theory_food_chain'/>

        <enum-item name='naturalist_observation_social_behavior'/>
        <enum-item name='naturalist_observation_diseases'/>
        <enum-item name='naturalist_theory_climactic_adaptation'/>
        <enum-item name='naturalist_observation_embriological_development'/>
        <enum-item name='naturalist_theory_struggle_for_existence'/>

        <enum-item name='chemistry_classification_combustibles' value='224'/>
        <enum-item name='chemistry_classification_ores'/>
        <enum-item name='chemistry_metallurgy_alloys'/>
        <enum-item name='chemistry_classification_scratch_test'/>
        <enum-item name='chemistry_classification_elemental_theory'/>
        <enum-item name='chemistry_chemicals_adhesives'/>
        <enum-item name='chemistry_laboratory_blast_furnace'/>
        <enum-item name='chemistry_laboratory_alembic'/>

        <enum-item name='chemistry_laboratory_theory_of_liquid_liquid_extraction'/>
        <enum-item name='chemistry_laboratory_theory_of_distillation'/>
        <enum-item name='chemistry_laboratory_theory_of_evaporation'/>
        <enum-item name='chemistry_classification_alkali_and_acids'/>
        <enum-item name='chemistry_laboratory_systematic_experiments'/>
        <enum-item name='chemistry_laboratory_glass_flask'/>
        <enum-item name='chemistry_laboratory_glass_beaker'/>
        <enum-item name='chemistry_laboratory_glass_vial'/>

        <enum-item name='chemistry_laboratory_glass_funnel'/>
        <enum-item name='chemistry_laboratory_crucible'/>
        <enum-item name='chemistry_chemicals_nitric_acid'/>
        <enum-item name='chemistry_chemicals_sulfuric_acid'/>
        <enum-item name='chemistry_chemicals_aqua_regia'/>
        <enum-item name='chemistry_laboratory_glass_ampoule'/>
        <enum-item name='chemistry_laboratory_glass_retort'/>
        <enum-item name='chemistry_laboratory_lab_ovens'/>

        <enum-item name='geography_surveying_basic' value='256'/>
        <enum-item name='geography_surveying_staff'/>
        <enum-item name='geography_cartography_basic'/>
        <enum-item name='geography_surveying_triangulation'/>
        <enum-item name='geography_surveying_cartographical'/>
        <enum-item name='geography_surveying_land'/>
        <enum-item name='geography_surveying_military'/>
        <enum-item name='geography_surveying_engineering'/>

        <enum-item name='geography_cartography_geological'/>
        <enum-item name='geography_cartography_grid_system'/>
        <enum-item name='geography_cartography_distance_scale'/>
        <enum-item name='geography_cartography_height_measurements'/>
        <enum-item name='geography_method_economic_data_collection'/>
        <enum-item name='geography_cartography_economic'/>
        <enum-item name='geography_form_atlas'/>
        <enum-item name='geography_theory_delta_formation'/>

        <enum-item name='geography_theory_wind_patterns'/>
        <enum-item name='geography_theory_origin_of_rainfall_from_evap_condense'/>
        <enum-item name='geography_theory_water_cycle'/>
        <enum-item name='geography_theory_latitude_climate_zones'/>
        <enum-item name='geography_cartography_accurate_maps'/>
        <enum-item name='geography_cartography_map_projections'/>

        <enum-item name='medicine_theory_disease_and_fouled_water' value='288'/>
        <enum-item name='medicine_method_physical_examination'/>
        <enum-item name='medicine_method_autopsy'/>
        <enum-item name='medicine_theory_prognosis'/>
        <enum-item name='medicine_tool_herbal_remedies'/>
        <enum-item name='medicine_tool_animal_remedies'/>
        <enum-item name='medicine_tool_mineral_remedies'/>
        <enum-item name='medicine_tool_bandages'/>

        <enum-item name='medicine_theory_disease_classification'/>
        <enum-item name='medicine_theory_toxicology'/>
        <enum-item name='medicine_theory_acute_and_chronic_conditions'/>
        <enum-item name='medicine_theory_endemic_disease'/>
        <enum-item name='medicine_theory_epidemic_disease'/>
        <enum-item name='medicine_theory_exacerbation'/>
        <enum-item name='medicine_theory_paroxysm'/>
        <enum-item name='medicine_theory_relapse'/>

        <enum-item name='medicine_theory_convalescence'/>
        <enum-item name='medicine_method_treatment_of_traumatic_injuries'/>
        <enum-item name='medicine_method_fracture_treatment'/>
        <enum-item name='medicine_theory_fracture_classification'/>
        <enum-item name='medicine_tool_traction_bench'/>
        <enum-item name='medicine_method_fracture_immobilization'/>
        <enum-item name='medicine_tool_orthopedic_cast'/>
        <enum-item name='medicine_method_surgery_excision'/>

        <enum-item name='medicine_method_surgery_incision'/>
        <enum-item name='medicine_method_hernia_surgery'/>
        <enum-item name='medicine_method_tracheotomy_surgery'/>
        <enum-item name='medicine_method_lithotomy_surgery'/>
        <enum-item name='medicine_method_surgery_scraping'/>
        <enum-item name='medicine_method_surgery_draining'/>
        <enum-item name='medicine_method_surgery_probing'/>
        <enum-item name='medicine_method_surgery_suturing'/>

        <enum-item name='medicine_method_surgery_ligature' value='320'/>
        <enum-item name='medicine_theory_surgical_models'/>
        <enum-item name='medicine_tool_mud_bags_as_surgical_models'/>
        <enum-item name='medicine_tool_plants_as_surgical_models'/>
        <enum-item name='medicine_tool_animals_as_surgical_models'/>
        <enum-item name='medicine_theory_specialized_surgical_instruments'/>
        <enum-item name='medicine_tool_forceps'/>
        <enum-item name='medicine_tool_scalpel'/>

        <enum-item name='medicine_tool_surgical_scissors'/>
        <enum-item name='medicine_tool_surgical_needles'/>
        <enum-item name='medicine_method_cataract_surgery'/>
        <enum-item name='medicine_method_cauterization'/>
        <enum-item name='medicine_method_anesthesia'/>
        <enum-item name='medicine_theory_pulmonary_medicine'/>
        <enum-item name='medicine_theory_anatomical_studies'/>
        <enum-item name='medicine_theory_classification_of_bodily_fluids'/>

        <enum-item name='medicine_theory_eye_anatomy'/>
        <enum-item name='medicine_theory_motor_vs_sensory_nerves'/>
        <enum-item name='medicine_theory_nervous_system_function'/>
        <enum-item name='medicine_theory_reaction_time'/>
        <enum-item name='medicine_theory_blood_vessels'/>
        <enum-item name='medicine_theory_pulmonary_circulation'/>
        <enum-item name='medicine_theory_comparative_anatomy'/>
        <enum-item name='medicine_theory_the_voice'/>

        <enum-item name='medicine_theory_classification_of_muscles'/>
        <enum-item name='medicine_theory_classification_of_mental_illnesses'/>
        <enum-item name='medicine_theory_treatment_of_mental_illnesses'/>
        <enum-item name='medicine_tool_dedicated_hospitals'/>
        <enum-item name='medicine_method_professional_hospital_staff'/>
        <enum-item name='medicine_method_specialized_wards'/>
        <enum-item name='medicine_method_hospital_lab'/>
        <enum-item name='medicine_method_medical_school'/>

        <enum-item name='medicine_method_asylum_for_mentally_ill' value='352'/>

        <enum-item name='engineering_horology_shadow_clock' value='384'/>
        <enum-item name='engineering_horology_water_clock'/>
        <enum-item name='engineering_horology_conical_water_clock'/>
        <enum-item name='engineering_horology_water_clock_reservoir'/>
        <enum-item name='engineering_horology_astrarium'/>
        <enum-item name='engineering_horology_hourglass'/>
        <enum-item name='engineering_horology_mechanical_clock'/>
        <enum-item name='engineering_machine_theory_of_pulley'/>

        <enum-item name='engineering_machine_pulley'/>
        <enum-item name='engineering_machine_theory_of_screw'/>
        <enum-item name='engineering_machine_screw'/>
        <enum-item name='engineering_machine_theory_of_wheel_and_axle'/>
        <enum-item name='engineering_machine_windlass'/>
        <enum-item name='engineering_machine_theory_of_wedge'/>
        <enum-item name='engineering_machine_theory_of_lever'/>
        <enum-item name='engineering_machine_lever'/>

        <enum-item name='engineering_machine_straight_beam_balance'/>
        <enum-item name='engineering_machine_theory_of_gears'/>
        <enum-item name='engineering_machine_warded_lock'/>
        <enum-item name='engineering_machine_tumbler_lock'/>
        <enum-item name='engineering_machine_padlock'/>
        <enum-item name='engineering_machine_camshaft'/>
        <enum-item name='engineering_machine_crankshaft'/>
        <enum-item name='engineering_machine_water_powered_sawmill'/>

        <enum-item name='engineering_machine_chariot_odometer'/>
        <enum-item name='engineering_machine_chain_drive'/>
        <enum-item name='engineering_machine_mechanical_compass'/>
        <enum-item name='engineering_machine_differential_gear'/>
        <enum-item name='engineering_machine_combination_lock'/>
        <enum-item name='engineering_machine_verge_escapement'/>
        <enum-item name='engineering_machine_balance_wheel'/>
        <enum-item name='engineering_fluid_theory_of_siphon'/>

        <enum-item name='engineering_fluid_valves' value='416'/>
        <enum-item name='engineering_fluid_force_pump'/>
        <enum-item name='engineering_optics_crystal_lens'/>
        <enum-item name='engineering_optics_water_filled_spheres'/>
        <enum-item name='engineering_optics_glass_lens'/>
        <enum-item name='engineering_optics_camera_obscura'/>
        <enum-item name='engineering_optics_parabolic_mirror'/>
        <enum-item name='engineering_optics_theory_of_color'/>

        <enum-item name='engineering_optics_theory_of_rainbows'/>
        <enum-item name='engineering_optics_law_of_refraction'/>
        <enum-item name='engineering_design_models_and_templates'/>
        <enum-item name='engineering_construction_wood_lamination'/>
        <enum-item name='engineering_astronomy_dioptra'/>
        <enum-item name='engineering_astronomy_astrolabe'/>
        <enum-item name='engineering_astronomy_armillary_sphere'/>
        <enum-item name='engineering_astronomy_spherical_astrolabe'/>

        <enum-item name='engineering_astronomy_mural_instrument'/>
        <enum-item name='engineering_astronomy_orrery'/>
        <enum-item name='engineering_machine_water_powered_trip_hammer'/>
        <enum-item name='engineering_machine_double_acting_piston_bellows'/>
        <enum-item name='engineering_fluid_archimedes_principle'/>
        <enum-item name='engineering_optics_atmospheric_refraction'/>
        <enum-item name='engineering_optics_cause_of_twilight'/>
        <enum-item name='engineering_optics_height_of_atmosphere'/>

        <enum-item name='engineering_machine_piston'/>
        <enum-item name='engineering_machine_crank'/>
        <enum-item name='engineering_machine_bellows'/>
        <enum-item name='engineering_machine_water_powered_piston_bellows'/>
        <enum-item name='engineering_machine_water_wheel'/>
        <enum-item name='engineering_machine_trip_hammer'/>
    </enum-type>
</data-definition>

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