Mon, 01 Feb 2010 18:57:20 +0100 added a single-binder alpha equivalence; showed one half of the equivalence proof between general and single binder case
Christian Urban <urbanc@in.tum.de> [Mon, 01 Feb 2010 18:57:20 +0100] rev 1015
added a single-binder alpha equivalence; showed one half of the equivalence proof between general and single binder case
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