header tuning
also try 'metis' with 'full_types'
generate 'set_induct' theorem for codatatypes
document property 'set_induct'
Skolemization support for leo-II and Zipperposition.
removing the '= True' generated by Leo-II.
Basic support for the SMT prover veriT.
Subproofs for the SMT solver veriT.
Basic support for the higher-order ATP Satallax.
imported patch satallax_proof_support_Sledgehammer
veriT changes for lifted terms, and ite_elim rules.
imported patch hilbert_choice_support
imported patch satallax_skolemization_in_tree_part
Changing ~ into - for unuary minus (not supported by veriT)
Simplifying the labels in the proof of the SMT solver veriT.
Whitespace and indentation correction.
Changing the role of rule "tmp_ite_elim" of the SMT solver veriT to Lemma.
Skolemization for tmp_ite_elim rule in the SMT solver veriT.
Improving robustness and indentation corrections.
unlift before uncombine, because the definition of a lambda-lifted symbol might have an SK combinator in it (in hybrid encodings)