Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(¬(¬T ∧ T) ∧ r ∧ (r ↔ r))

⇒ logic.propositional.compland

¬(¬F ∧ r ∧ (r ↔ r))