Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroand

¬¬(¬(q → p) ↔ ((r ↔ (F ∨ s)) ∨ ¬s))