Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬¬¬¬((¬(¬q ∨ p) ∨ ¬(¬q ∨ p)) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.demorganor
¬¬¬¬(((¬¬q ∧ ¬p) ∨ ¬(¬q ∨ p)) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.demorganor
¬¬¬¬(((¬¬q ∧ ¬p) ∨ (¬¬q ∧ ¬p)) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.idempor
¬¬¬¬((¬¬q ∧ ¬p) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.notnot
¬¬¬¬((q ∧ ¬p) ↔ ((r ↔ s) ∨ ¬s))