Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((r ∧ T) ↔ r) ∧ T ∧ ¬¬r)

⇒ logic.propositional.notnot

¬(((r ∧ T) ↔ r) ∧ T ∧ r)