Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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