(logic circuits) A Boolean operation which happens to be legitimate if the two input variables are various but is otherwise Phony; the XOR operation ( A B ¯ + A ¯ B displaystyle scriptstyle A overline B + overline A B (= quarrel) → Differenz f, → Auseinandersetzung f; a difference of viewpoint → eine Meinungsverschiedenheit; to settle or re