Thu, 28 Aug 2014 16:58:27 +0200 blanchet going back to bc06471cb7b7 for silencing -- the bad side effects occurred only with 'smt', and the alternative silencing sometimes broke 'auto' etc.
Thu, 28 Aug 2014 16:58:27 +0200 blanchet moved skolem method
Thu, 28 Aug 2014 16:58:27 +0200 blanchet added 'skolem' method, esp. for 'obtain's generated from Z3 proofs
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