src/HOL/IOA/Asig.ML
author urbanc
Tue, 13 Dec 2005 18:11:21 +0100
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added a fresh_left lemma that contains all instantiation for the various atom-types.
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(*  Title:      HOL/IOA/Asig.ML
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    ID:         $Id$
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    Author:     Tobias Nipkow & Konrad Slind
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    Copyright   1994  TU Muenchen
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*)
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bind_thms ("asig_projections", [asig_inputs_def, asig_outputs_def, asig_internals_def]);
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Goal "[| a~:internals(S) ;a~:externals(S)|] ==> a~:actions(S)";
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by (asm_full_simp_tac (simpset() addsimps [externals_def,actions_def]) 1);
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qed"int_and_ext_is_act";
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Goal "[|a:externals(S)|] ==> a:actions(S)";
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by (asm_full_simp_tac (simpset() addsimps [externals_def,actions_def]) 1);
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qed"ext_is_act";