Tue, 05 Jun 2007 16:31:10 +0200 | chaieb | lemma lemma_DERIV_subst moved to Deriv.thy | changeset | files |
Tue, 05 Jun 2007 16:26:07 +0200 | wenzelm | tuned proofs; | changeset | files |
Tue, 05 Jun 2007 16:26:06 +0200 | wenzelm | tuned comments; | changeset | files |
Tue, 05 Jun 2007 16:26:04 +0200 | wenzelm | Semiring normalization and Groebner Bases. | changeset | files |