Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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