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