Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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