# HG changeset patch # User paulson # Date 864642894 -7200 # Node ID b99d750f6a3727f705182936f6c893c7d8bf4e04 # Parent c056d328aa0ece1f487ef2495eb92a22cf937d71 Added recdef diff -r c056d328aa0e -r b99d750f6a37 NEWS --- a/NEWS Mon May 26 12:34:05 1997 +0200 +++ b/NEWS Mon May 26 12:34:54 1997 +0200 @@ -104,6 +104,9 @@ * primrec now also works with type nat; +* recdef: a new declaration form, allows general recursive functions to be +defined in theory files. See HOL/ex/Fib, HOL/ex/Primes, HOL/Subst/Unify. + * the constant for negation has been renamed from "not" to "Not" to harmonize with FOL, ZF, LK, etc.;