(logic circuits) A Boolean Procedure that's correct once the two enter variables are different but is normally Fake; the XOR Procedure ( A B ¯ + A ¯ B displaystyle scriptstyle A overline B + overline A B (= quarrel) ? Differenz f, ? Auseinandersetzung file; a difference of opinion ? eine Meinungsverschiedenheit; to settle or solve one’s differe