slotosch [Thu, 24 Apr 1997 09:34:59 +0200] rev 3026
moved antisym_less_inverse,box_less from Porder.ML to Porder0.ML
nipkow [Wed, 23 Apr 1997 13:23:05 +0200] rev 3025
Added NatDef
paulson [Wed, 23 Apr 1997 11:20:18 +0200] rev 3024
Necessary inclusion of depth bound into blast_tac call
paulson [Wed, 23 Apr 1997 11:18:29 +0200] rev 3023
Ran expandshort
paulson [Wed, 23 Apr 1997 11:12:10 +0200] rev 3022
Unfortunately, the \\< syntax does not always accept the beginning of a line
paulson [Wed, 23 Apr 1997 11:11:38 +0200] rev 3021
Loop detection: before expanding a haz formula, see whether it is a duplicate
and, if so, delete it.
Recursion detection: transitivity and similar rules, when applied, put the
new formulae at the end of a branch and not at the front (in effect).