Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

¬¬((T ∧ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬s))