Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(¬F ∧ r ∧ (r ↔ ¬(¬r ∨ ¬r)))

⇒ logic.propositional.notfalse

¬(T ∧ r ∧ (r ↔ ¬(¬r ∨ ¬r)))