Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(¬¬T ∧ (r ↔ (r ∨ F)) ∧ r)

⇒ logic.propositional.notnot

¬(T ∧ (r ↔ (r ∨ F)) ∧ r)