Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((F ∨ r) ↔ r) ∨ F ∨ ¬r ∨ F ∨ (¬r ∧ ¬r)

⇒ logic.propositional.idempand

¬((F ∨ r) ↔ r) ∨ F ∨ ¬r ∨ F ∨ ¬r