Summary
- merged
- clarified installed files;
- build Isabelle E prover component from official downloads;
- clarified signature;
- updated for coming release;
- updated to current cygwin-20201002, after 3.1.7-1 from 24-Aug-2020;
- clarified platforms;
- updated to opam-2.0.7; support arm64-linux;
- merged
- fixed a bunch of ugly proofs
- Add more tacing to sledgehammer_isar_trace