Wed, 11 Dec 2002 10:12:48 +0100 ballarin HOL/GroupTheory/Summation.thy added: summation operator for abelian groups.
Tue, 10 Dec 2002 10:40:32 +0100 berghofe Added size_of_proof.
(0) -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip