Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

¬((r ↔ r) ∧ r) ∨ ¬(r ↔ r) ∨ ¬T ∨ ¬r