Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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