Изменения

<tex>x \oplus y = (\neg x \land y) \lor (x \land \neg y)</tex>

<tex> \langle x,y,z \rangle = (x \land y) \lor (x \land z) \lor (y \land z) \lor (x \land y \land z) = (x \land y) \lor (x \land z) \lor (y \land z)</tex>