Nominal/Ex/Classical.thy
Tue, 11 May 2010 17:16:57 +0200 Cezary Kaliszyk Declare alpha_gen_eqvt as eqvt and change the proofs that used 'eqvts[symmetric]'
Wed, 05 May 2010 10:24:54 +0100 Christian Urban solved the problem with equivariance by first eta-normalising the goal
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