src/ZF/ord.ML
1993-12-06 lcp ZF/ord/Ord_Un,Ord_Int,Un_upper1_le,Un_upper2_le: new
1993-10-07 lcp added ~: for "not in"
1993-10-06 lcp Retrying yet again after network problems
1993-09-30 lcp ex/{bin.ML,comb.ML,prop.ML}: replaced NewSext by Syntax.simple_sext
1993-09-17 lcp Installation of new simplifier for ZF. Deleted all congruence rules not
1993-09-16 clasohm Initial revision
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