Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ∨ (T ∧ r)) ↔ r) ∨ ¬T ∨ ¬r

⇒ logic.propositional.truezeroand

¬((r ∨ r) ↔ r) ∨ ¬T ∨ ¬r