src/Pure/term_subst.ML
Thu, 20 Sep 2018 22:39:39 +0200 wenzelm clarified standardization of variables, with proper treatment of local variables;
Sun, 20 May 2018 20:31:40 +0200 wenzelm tuned signature;
Wed, 21 Feb 2018 18:41:41 +0100 wenzelm explicit operations to instantiate frees: typ, term, thm, morphism;
Mon, 07 Nov 2011 21:34:11 +0100 wenzelm more scalable zero_var_indexes, depending on canonical order within table;
Thu, 09 Jun 2011 17:51:49 +0200 wenzelm simplified Name.variant -- discontinued builtin fold_map;
Sun, 09 May 2010 13:46:00 +0200 wenzelm tuned;
Sun, 09 May 2010 13:39:05 +0200 wenzelm removed unused "option" variants of "same" operations;
Tue, 04 May 2010 12:30:15 +0200 wenzelm simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
Sat, 27 Feb 2010 23:13:01 +0100 wenzelm modernized structure Term_Ord;
Tue, 29 Sep 2009 11:49:22 +0200 wenzelm explicit indication of Unsynchronized.ref;
Thu, 16 Jul 2009 21:00:09 +0200 wenzelm use structure Same;
Thu, 16 Jul 2009 17:03:11 +0200 wenzelm use structure Same;
Fri, 10 Jul 2009 00:08:38 +0200 wenzelm added some generic mapping combinators;
Thu, 09 Jul 2009 22:48:12 +0200 wenzelm renamed structure TermSubst to Term_Subst;
Wed, 31 Dec 2008 15:30:10 +0100 wenzelm moved term order operations to structure TermOrd (cf. Pure/term_ord.ML);
Thu, 30 Nov 2006 14:17:32 +0100 wenzelm zero_var_indexes_inst: multiple terms;
Sun, 12 Nov 2006 21:14:52 +0100 wenzelm instantiate: tuned indentity case;
Sun, 05 Nov 2006 21:44:39 +0100 wenzelm instantiate: avoid global references;
Tue, 12 Sep 2006 12:16:17 +0200 wenzelm Efficient term substitution -- avoids copying.
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