23 lines
494 B
Plaintext
23 lines
494 B
Plaintext
(*
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* Copyright 2014, NICTA
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(NICTA_GPL)
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*)
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theory MoreHOL
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imports Main
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begin
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(*
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* Simplification of a common pattern that comes out of
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* expansions of "corres_underlying".
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*)
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lemma tuple_relation_to_function [simp]: "((a, b) \<in> {(s, s'). f s' = s}) = (a = f b)"
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by auto
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end
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