Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬(q → (F ∨ p ∨ F)) ↔ (((r ∨ r) ↔ s) ∨ ¬s)
logic.propositional.idempor
¬(q → (F ∨ p ∨ F)) ↔ ((r ↔ s) ∨ ¬s)