Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

¬(q → p) ↔ ((r ↔ (s ∨ s)) ∨ ¬(s ∧ s))