Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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