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Make Thm.SPEC use lazy_beta_conv instead of beta_conv #1301

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Make Thm.SPEC use lazy_beta_conv instead of beta_conv #1301

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2 changes: 1 addition & 1 deletion src/thm/std-thm.ML
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Original file line number Diff line number Diff line change
Expand Up @@ -563,7 +563,7 @@ fun SPEC t th =
Assert (Name="!" andalso Thy="bool")
"SPEC" "Theorem not universally quantified";
make_thm Count.Spec
(tag th, hypset th, beta_conv(mk_comb(Rand, t)))
(tag th, hypset th, lazy_beta_conv(mk_comb(Rand, t)))
handle HOL_ERR _ =>
raise thm_err "SPEC"
"Term argument's type not equal to bound variable's"
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