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