Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((r ↔ r) ∨ ((r ↔ (r ∧ r)) ∧ (r ↔ (T ∧ r ∧ r)))) ∧ T ∧ r) ∧ T