Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬(¬q ∨ p) ↔ (((r ↔ s) ∧ ((r ↔ s) ∨ F)) ∨ ¬s)
logic.propositional.defequiv
¬(¬q ∨ p) ↔ (((r ↔ s) ∧ ((r ∧ s) ∨ (¬r ∧ ¬s) ∨ F)) ∨ ¬s)
logic.propositional.falsezeroor
¬(¬q ∨ p) ↔ (((r ↔ s) ∧ ((r ∧ s) ∨ (¬r ∧ ¬s))) ∨ ¬s)