Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(¬(¬T ∨ ¬q) → p) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.nottrue

¬(¬(F ∨ ¬q) → p) ↔ ((r ↔ s) ∨ ¬s)