lcp [Wed, 19 Oct 1994 09:23:56 +0100] rev 642
CCL/Gfp/coinduct2, coinduct3: modified proofs to suppress deep unification
CCL/CCL, Fix, Gfp, Hered, Set, Term, Trancl, Type, Wfd: expanded shorthands
wenzelm [Wed, 12 Oct 1994 16:38:58 +0100] rev 641
add_defs: improved error messages;
installed new print_goals with nice 'env mode';
wenzelm [Wed, 12 Oct 1994 16:34:52 +0100] rev 640
removed old comment;
wenzelm [Wed, 12 Oct 1994 16:34:00 +0100] rev 639
remove _explode, _implode and trfuns;
wenzelm [Wed, 12 Oct 1994 16:32:06 +0100] rev 638
prove_subclass, prove_arity now exported;
minor internal changes;
wenzelm [Wed, 12 Oct 1994 16:31:01 +0100] rev 637
added is_equals: term -> bool;