Fri, 11 Apr 2014 19:07:56 +0200 prefere standard Isabelle/Scala operation, with fixed locale;
wenzelm [Fri, 11 Apr 2014 19:07:56 +0200] rev 56546
prefere standard Isabelle/Scala operation, with fixed locale;
Sat, 12 Apr 2014 11:27:36 +0200 more operations and lemmas
haftmann [Sat, 12 Apr 2014 11:27:36 +0200] rev 56545
more operations and lemmas
Sat, 12 Apr 2014 17:26:27 +0200 made mult_pos_pos a simp rule
nipkow [Sat, 12 Apr 2014 17:26:27 +0200] rev 56544
made mult_pos_pos a simp rule
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