WIP: Add well_formed for type invariant
This is an attempt at adding predicate well_formed in the builtins theories (adding it to bool as the bool type is necessary). This also adds a strategy to always unfold this predicate in eval_match.
This is an attempt at adding predicate well_formed in the builtins theories (adding it to bool as the bool type is necessary). This also adds a strategy to always unfold this predicate in eval_match.