Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((¬¬(r ∧ r) ↔ r) ∧ ¬¬(T ∧ r))

⇒ logic.propositional.notnot

¬((¬¬(r ∧ r) ↔ r) ∧ T ∧ r)

⇒ logic.propositional.truezeroand

¬((¬¬(r ∧ r) ↔ r) ∧ r)