Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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