Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ∨ r) ↔ r) ∨ ¬(¬F ∧ r)

⇒ logic.propositional.notfalse

¬((r ∨ r) ↔ r) ∨ ¬(T ∧ r)