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