Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
Final term is not finished
(¬(q → p) ∨ ¬((q ∨ q) → p) ∨ ¬(q → p) ∨ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬s)
⇒ logic.propositional.idempor(¬(q → p) ∨ ¬(q → p) ∨ ¬(q → p) ∨ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬s)