Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((¬¬r ↔ (F ∨ r)) ∧ T ∧ r)

⇒ logic.propositional.notnot

¬((r ↔ (F ∨ r)) ∧ T ∧ r)