Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

¬(q → p) ↔ ((r ↔ (s ∧ T)) ∨ ¬(T ∧ s))