Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ↔ r) ∨ (¬T ∧ ¬F) ∨ ¬r

⇒ logic.propositional.notfalse

¬(r ↔ r) ∨ (¬T ∧ T) ∨ ¬r

⇒ logic.propositional.compland

¬(r ↔ r) ∨ F ∨ ¬r