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