Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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