Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(¬(T ∧ q) ∨ p) ↔ ((r ∧ s) ∨ ¬s ∨ (¬r ∧ ¬s))

⇒ logic.propositional.truezeroand

¬(¬q ∨ p) ↔ ((r ∧ s) ∨ ¬s ∨ (¬r ∧ ¬s))