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produce _def and _val theorems in value_type #689

Merged
merged 3 commits into from
Apr 10, 2024
Merged

produce _def and _val theorems in value_type #689

merged 3 commits into from
Apr 10, 2024

Commits on Apr 10, 2024

  1. lib: produce _def and _val thms in value_type 

    Produce a _def theorem for the value type that provides direct symbolic
access to the right-hand side of the value_type definition. This avoids
having to unfold those terms in subsequent proofs.

The numeric value as as term is still available as <type-name>_val.

This restricts value_type to nat/int inputs, i.e. word is no longer
accepted on the rhs (so far unused). A manual cast to nat on the rhs
will still work.

Signed-off-by: Gerwin Klein <[email protected]>
    @lsf37
    lsf37 committed Apr 10, 2024
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  2. proof: updates for value_type _def -> _val 

    Rename occurrences of _def to _val for value_type-generated names. Does
not make full use of value_type _def theorems yet.

Signed-off-by: Gerwin Klein <[email protected]>
    @lsf37
    lsf37 committed Apr 10, 2024
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  3. Merge branch 'master' into value_type

    @lsf37
    lsf37 authored Apr 10, 2024
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