Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

T ∧ (¬(¬q ∨ p) ↔ ((r ↔ s) ∨ ¬s))