Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ↔ (T ∧ r)) ∧ ¬(¬T ∧ ¬T) ∧ r)

⇒ logic.propositional.idempand

¬((r ↔ (T ∧ r)) ∧ ¬¬T ∧ r)

⇒ logic.propositional.nottrue

¬((r ↔ (T ∧ r)) ∧ ¬F ∧ r)