Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ↔ r) ∨ (T ∧ ¬(¬¬T ∧ r))

⇒ logic.propositional.notnot

¬(r ↔ r) ∨ (T ∧ ¬(T ∧ r))

⇒ logic.propositional.truezeroand

¬(r ↔ r) ∨ ¬(T ∧ r)

⇒ logic.propositional.truezeroand

¬(r ↔ r) ∨ ¬r