Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((¬(¬r ∧ T) ↔ r) ∧ T) ∨ ¬r

⇒ logic.propositional.truezeroand

¬((¬¬r ↔ r) ∧ T) ∨ ¬r