src/HOL/Isar_examples/Summation.thy
Wed, 14 Jul 2004 10:25:21 +0200 nipkow ?
Sat, 06 Oct 2001 00:02:46 +0200 wenzelm * sane numerals (stage 2): plain "num" syntax (removed "#");
Fri, 05 Oct 2001 21:52:39 +0200 wenzelm sane numerals (stage 1): added generic 1, removed 1' and 2 on nat,
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