Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((((F ∨ r) ∧ (F ∨ r)) ↔ r) ∧ r)

⇒ logic.propositional.falsezeroor

¬(((r ∧ (F ∨ r)) ↔ r) ∧ r)

⇒ logic.propositional.absorpand

¬((r ↔ r) ∧ r)