Summary
- merged
- reverted the substitution here
- merged
- fixed some remarkably ugly proofs
- de-applying and tidying
- follow Phabricator update 2020 Week 37;
- clarified defaults for nitpick;
- tuned nitpick message: more like quickcheck;
- clarified;
- evaluate Scala via running Isabelle/Scala;
- more robust: avoid spurious line breaks that might confuse the scala interpreter;
- clarified signature: proper eval/print via interpret;
- clarified name;
- factored out typedef material