Fri, 01 Aug 2014 23:29:49 +0200 blanchet centralized boolean simplification so that e.g. LEO-II benefits from it
Fri, 01 Aug 2014 20:44:51 +0200 blanchet careful when compressing 'obtains'
Fri, 01 Aug 2014 20:44:29 +0200 blanchet better handling of variable names
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