src/HOL/Integ/Ring.ML
Mon, 03 Nov 1997 12:13:18 +0100 wenzelm isatool fixclasimp;
Wed, 23 Apr 1997 11:02:19 +0200 paulson Ran expandshort
Fri, 29 Nov 1996 15:11:37 +0100 nipkow Ring Theory.
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