Fri, 27 Aug 1999 15:44:27 +0200 paulson the bij predicate forced renaming of a variable bij
Fri, 27 Aug 1999 15:43:53 +0200 paulson tidied, allowing pattern-matching in defs of prat_add and prat_mult
Fri, 27 Aug 1999 15:42:10 +0200 paulson tidied, allowing pattern-matching in defs of zadd and zmult
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