Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.absorpor

¬¬(¬(q → p) ↔ ((r ↔ s) ∨ ¬s))