From: Adam Megacz Date: Mon, 29 Aug 2011 23:19:37 +0000 (-0700) Subject: NaturalDeductionContext: more permutation proofs X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;ds=sidebyside;h=6e1e4b67d01a6447f7dd44f7b5450ddc400000d9;hp=6e1e4b67d01a6447f7dd44f7b5450ddc400000d9;p=coq-hetmet.git NaturalDeductionContext: more permutation proofs ---