Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.nottrue

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