Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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