Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ↔ (r ∨ r)) ∨ ¬T ∨ (T ∧ ¬r)

⇒ logic.propositional.truezeroand

¬(r ↔ (r ∨ r)) ∨ ¬T ∨ ¬r