Fri, 24 May 2013 20:35:28 +0100 Christian Urban completed the UF-simulation lemmas
Fri, 24 May 2013 15:43:10 +0100 Christian Urban added definitions and proofs for right-std and left-std tapes
Wed, 22 May 2013 13:50:20 +0100 Christian Urban moved new theries into a separate directory
(0) -100 -30 -10 -3 +3 +10 +30 tip