Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(F ∨ (r ↔ (r ∨ r))) ∨ ¬(T ∧ r)

⇒ logic.propositional.idempor

¬(F ∨ (r ↔ r)) ∨ ¬(T ∧ r)