• Interaction With Complements. We have
    \[ \chi _{U^{\textsf{c}}}\equiv 1-\chi _{U}\ \ (\mathrm{mod}\ 2) \]

    for each $U\in \mathcal{P}\webleft (X\webright )$.


Noticed something off, or have any comments? Feel free to reach out!


You can also use the contact form below: