Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

¬(q → p) ↔ ((r ↔ s) ∨ ¬(¬¬s ∧ ¬¬s))