Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.nottrue

(¬(q → p) ↔ (((r ∨ F) ↔ s) ∨ ¬s)) ∨ F