Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((T ∧ r) ↔ (r ∧ T)) ∧ T ∧ r) ∨ F

⇒ logic.propositional.truezeroand

¬((r ↔ (r ∧ T)) ∧ T ∧ r) ∨ F