Wed, 05 Jun 2013 13:31:32 +0200 blanchet avoid code duplication
Wed, 05 Jun 2013 13:22:44 +0200 blanchet eliminated dead argument
Wed, 05 Jun 2013 13:19:26 +0200 blanchet one less flaky "fpTs" check (flaky in the presence of duplicates in "fpTs", which we want to have in "primrec")
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