Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.falsezeroor

¬(¬¬(¬q ∨ p) ∨ F) ↔ ((r ↔ s) ∨ ¬s)