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