Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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