Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

¬(¬¬q → p) ↔ (((F ∨ r) ↔ s) ∨ ¬s)