Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(T ∧ (¬q ∨ p)) ↔ (¬s ∨ (r ↔ s))

⇒ logic.propositional.truezeroand

¬(¬q ∨ p) ↔ (¬s ∨ (r ↔ s))