Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬¬¬((F ∨ q) → ¬¬p) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.falsezeroor

¬¬¬(q → ¬¬p) ↔ ((r ↔ s) ∨ ¬s)