lcp [Fri, 12 Aug 1994 11:13:23 +0200] rev 514
addition of string escapes
lcp [Fri, 12 Aug 1994 11:01:18 +0200] rev 513
updated reference to parents
lcp [Fri, 12 Aug 1994 10:57:55 +0200] rev 512
Pure/library/enclose, Pure/Syntax/pretty/enclose: renamed from parents
Pure/library/is_blank: now handles form feeds () too, in accordance with
ML definition
lcp [Fri, 12 Aug 1994 10:20:07 +0200] rev 511
re-organized using new theory sections
nipkow [Mon, 08 Aug 1994 16:45:08 +0200] rev 510
Simplified some proofs. Added some type assumptions to the introduction rules.
lcp [Thu, 04 Aug 1994 12:39:28 +0200] rev 509
fixed spelling
lcp [Thu, 04 Aug 1994 11:51:30 +0200] rev 508
addition of show_brackets
lcp [Thu, 04 Aug 1994 11:45:59 +0200] rev 507
addition of show_brackets
nipkow [Wed, 03 Aug 1994 09:45:42 +0200] rev 506
improved show_brackets again - Trueprop does not create () any more.
nipkow [Tue, 02 Aug 1994 20:08:57 +0200] rev 505
minimized () in forced printing of barckets (show_brackets)