Wed, 21 Dec 2011 14:25:05 +0900 Cezary Kaliszyk Remove transitivity from the definition of One_star and show it instead.
Wed, 21 Dec 2011 13:06:09 +0900 Cezary Kaliszyk Port CR_Takahashi from Nominal1, no more "sorry" in BetaCR.
Tue, 20 Dec 2011 18:07:48 +0900 Cezary Kaliszyk Add Sigma.thy, an example that defines a sigma-calculus in the style of Peter Homeier's HOL4 formalization.
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 tip