2001-08-31 Added functions for printing primitive proof terms.
berghofe [Fri, 31 Aug 2001 16:20:19 +0200] rev 11524
Added functions for printing primitive proof terms.
2001-08-31 Tuned function extend_lexicon.
berghofe [Fri, 31 Aug 2001 16:17:52 +0200] rev 11523
Tuned function extend_lexicon.
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