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(* Title: HOL/Recdef.thy
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ID: $Id$
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Author: Konrad Slind
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TFL: recursive function definitions.
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*)
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10212
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theory Recdef = Wellfounded_Relations + Datatype
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files
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"../TFL/utils.sml"
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"../TFL/usyntax.sml"
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"../TFL/thms.sml"
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"../TFL/dcterm.sml"
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"../TFL/rules.sml"
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"../TFL/thry.sml"
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"../TFL/tfl.sml"
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"../TFL/post.sml"
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8303
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"Tools/recdef_package.ML":
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setup RecdefPackage.setup
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lemmas [recdef_simp] =
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inv_image_def
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measure_def
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lex_prod_def
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less_Suc_eq [THEN iffD2]
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lemmas [recdef_cong] =
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if_cong
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lemma let_cong [recdef_cong]:
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"M = N ==> (!!x. x = N ==> f x = g x) ==> Let M f = Let N g"
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by (unfold Let_def) blast
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lemmas [recdef_wf] =
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wf_trancl
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wf_less_than
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wf_lex_prod
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wf_inv_image
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wf_measure
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wf_pred_nat
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wf_same_fst
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wf_empty
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end
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