Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

F ∨ (¬(q → p) ↔ (((r ∨ F) ↔ s) ∨ ¬s))