Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroand

¬(¬(¬¬F ∨ q) ∨ p) ↔ ((r ↔ s) ∨ ¬s)