Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((F ∨ r) ↔ ¬¬r) ∧ T) ∨ ¬(¬¬r ∧ T)

⇒ logic.propositional.notnot

¬(((F ∨ r) ↔ ¬¬r) ∧ T) ∨ ¬(r ∧ T)