Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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