Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

¬((¬¬q ∧ q) → p) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.notnot

¬((q ∧ q) → p) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.idempand

¬(q → p) ↔ ((r ↔ s) ∨ ¬s)

⇒ logic.propositional.defimpl

¬(¬q ∨ p) ↔ ((r ↔ s) ∨ ¬s)