Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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