Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.defequiv

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