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theory Prove
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imports Main
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begin
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ML {*
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val r = ref (NONE:(unit -> term) option)
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*}
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46
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6
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ML {*
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let
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48
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fun after_qed thm_name thms lthy =
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LocalTheory.note Thm.theoremK (thm_name, (flat thms)) lthy |> snd
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fun setup_proof (name_spec, (txt, pos)) lthy =
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let
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val trm = ML_Context.evaluate lthy true ("r", r) txt
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in
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Proof.theorem_i NONE (after_qed name_spec) [[(trm,[])]] lthy
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end;
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6
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48
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val parser = SpecParse.opt_thm_name ":" -- OuterParse.ML_source
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6
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in
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46
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OuterSyntax.local_theory_to_proof "prove" "proving a proposition"
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48
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OuterKeyword.thy_goal (parser >> setup_proof)
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6
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end
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*}
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46
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6
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end
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