Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((r ↔ r) ∨ (r ↔ r)) ∨ ¬¬¬(T ∧ r)

⇒ logic.propositional.notnot

¬((r ↔ r) ∨ (r ↔ r)) ∨ ¬(T ∧ r)

⇒ logic.propositional.truezeroand

¬((r ↔ r) ∨ (r ↔ r)) ∨ ¬r