Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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