Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

F ∨ ¬((F ∨ r) ↔ r) ∨ ¬T ∨ ¬r

⇒ logic.propositional.falsezeroor

F ∨ ¬(r ↔ r) ∨ ¬T ∨ ¬r