]> matita.cs.unibo.it Git - helm.git/history - matitaB/matita/library/demo/propositional_sequent_calculus.ma
update in standard library
[helm.git] / matitaB / matita / library / demo / propositional_sequent_calculus.ma
2011-02-21 Wilmer Ricciottifork for Matita version B