Wed, 13 Sep 2006 00:38:38 +0200 added instance rat :: recpower
huffman [Wed, 13 Sep 2006 00:38:38 +0200] rev 20522
added instance rat :: recpower
Tue, 12 Sep 2006 21:05:39 +0200 more on theorems;
wenzelm [Tue, 12 Sep 2006 21:05:39 +0200] rev 20521
more on theorems;
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