Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(¬¬((F ∨ r ∨ r) ↔ (r ∧ r)) ∧ r)

⇒ logic.propositional.falsezeroor

¬(¬¬((r ∨ r) ↔ (r ∧ r)) ∧ r)

⇒ logic.propositional.idempor

¬(¬¬(r ↔ (r ∧ r)) ∧ r)