Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((¬T ∨ (r ↔ r)) ∧ T ∧ T ∧ r)

⇒ logic.propositional.nottrue

¬((F ∨ (r ↔ r)) ∧ T ∧ T ∧ r)