Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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