Fri, 08 Apr 2011 19:04:08 +0200 boehmes use unification instead of matching to find proper assertions (which might not match original assumptions due to lambda-lifting and introduction of fresh variables)
Fri, 08 Apr 2011 19:04:08 +0200 boehmes fixed eta-expansion: use correct order to apply new bound variables
Fri, 08 Apr 2011 19:04:08 +0200 boehmes check if negating the goal is possible (avoids CTERM exception for Pure propositions)
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