Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

((¬¬q ∧ ¬p) ↔ ((r ↔ s) ∨ ¬s)) ∨ F