thys/abacus.thy
Mon, 04 Feb 2013 21:11:43 +0000 Christian Urban started with abacus section
Mon, 04 Feb 2013 01:17:09 +0000 Christian Urban updated
Sun, 03 Feb 2013 13:31:14 +0000 Christian Urban made uncomputable compatible with abacus
Wed, 30 Jan 2013 09:33:06 +0000 Christian Urban theories
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