Summary
- merged
- more Mailman archives;
- more Mailman content;
- clarified signature;
- tuned metis to use map_index
- merged
- fixed HOL-TPTP
- tuned vars_of_iterm
- fixed TPTP generation of multi-arity expressions
- proper handling of Hilbert choice in TFX logics
- proper tptp_builtins
- reused Sledgehammer code to parse parameters of sledgehammer action in Mirabelle
- proper proxy for Hilbert choice in TPTP output
- proper polymorphism for TH1 format in Sledgehammer
- refactored $ite and $let configuration and added dummy_thf_reduced prover
- tuned TPTP file names generated by Sledgehammer
- tuned SMT-Lib file names generated by Mirabelle
- added support for higher-order SMT proof search in Sledgehammer
- separated FOOL from $ite/$let in TPTP output