• Interaction With Unions IV. We have equalities of sets
    \[ \webleft (U\cup V\webright )\setminus W=\webleft (U\setminus W\webright )\cup \webleft (V\setminus W\webright ) \]

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


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


You can also use the contact form below: