Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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