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.defimpl

¬¬(¬(F ∨ ¬q ∨ p) ↔ ((r ↔ ¬¬s) ∨ ¬s))

⇒ logic.propositional.falsezeroor

¬¬(¬(¬q ∨ p) ↔ ((r ↔ ¬¬s) ∨ ¬s))