doc-src/Tutorial/Ifexpr/Exercise.ML
author wenzelm
Fri, 09 Nov 2001 00:16:52 +0100
changeset 12119 fab22bdb1496
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added impose_hyps_tac; robustify insts of tactic emulations;
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use "normif.ML";
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use "proof.ML";
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qed_spec_mp "normif_correct";
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Addsimps [normif_correct];
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use "norm.ML";
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use "proof.ML";
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qed "norm_correct";
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Goal "!t e. normal t & normal e --> normal(normif b t e)";
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use "proof.ML";
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qed_spec_mp "normal_normif";
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Addsimps [normal_normif];
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use "normal_norm.ML";
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use "proof.ML";
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qed "normal_norm";