Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

¬¬((¬(q → p) ∨ F) ↔ ((r ↔ s) ∨ ¬s))