Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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