Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ↔ ((F ∧ F) ∨ r)) ∧ r)

⇒ logic.propositional.falsezeroand

¬((r ↔ (F ∨ r)) ∧ r)