Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ∧ (F ∨ (r ↔ ¬¬r)) ∧ T)

⇒ logic.propositional.notnot

¬(r ∧ (F ∨ (r ↔ r)) ∧ T)