Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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