Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

¬(¬(q ∧ T) ∨ p) ↔ ((r ↔ s) ∨ ¬s)