Checkpoint in responding to Simon's comments
Further reactions to SPJ's comments. This strikes nextRole.
Done responding to SPJ's comments. Still getting the thing to compile.
Finished integrating SPJ's feedback.
Spawn representational equalities from nominals less often.

Now, in canEqNC, not addInertCan.
Search through equalities when rewriting
Checkpoint in removing inert_repr_eqs
Finished removing inert_repr_eqs
Some bugfixing.