Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.nottrue

¬((q → p) ∧ T) ↔ ((r ↔ (F ∨ s)) ∨ ¬s)