Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
Final term is not finished
¬(¬q ∨ p) ↔ ((¬(F ∨ (¬r ∧ ¬r)) ↔ s) ∨ ¬s)
⇒ logic.propositional.falsezeroor¬(¬q ∨ p) ↔ ((¬(¬r ∧ ¬r) ↔ s) ∨ ¬s)
⇒ logic.propositional.idempand¬(¬q ∨ p) ↔ ((¬¬r ↔ s) ∨ ¬s)