Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(¬T ∨ (((T ∧ r) ↔ r) ∧ T ∧ r))

⇒ logic.propositional.nottrue

¬(F ∨ (((T ∧ r) ↔ r) ∧ T ∧ r))