Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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