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