Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ∧ r) ∨ ¬((r ↔ r) ∧ T)

⇒ logic.propositional.idempand

¬r ∨ ¬((r ↔ r) ∧ T)