Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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