paulson [Tue, 06 Jan 2004 10:40:15 +0100] rev 14341
Ring_and_Field now requires axiom add_left_imp_eq for semirings.
This allows more theorems to be proved for semirings, but
requires a redundant axiom to be proved for rings, etc.
paulson [Tue, 06 Jan 2004 10:38:14 +0100] rev 14340
correction to cterm_instantiate by Christoph Leuth
nipkow [Mon, 05 Jan 2004 23:10:32 +0100] rev 14339
*** empty log message ***
nipkow [Mon, 05 Jan 2004 22:43:03 +0100] rev 14338
*** empty log message ***
nipkow [Mon, 05 Jan 2004 00:46:06 +0100] rev 14337
undid split_comp_eq[simp] because it leads to nontermination together with split_def!
paulson [Sat, 03 Jan 2004 16:09:39 +0100] rev 14336
Deleting more redundant theorems
paulson [Thu, 01 Jan 2004 21:47:07 +0100] rev 14335
conversion of Real/PReal to Isar script;
type "complex" is now in class "field"