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███████████ ████████

███████ ██ █████ ███████████ ██ ███████████, ███ ██████ █████ «████████», ██ ███████████ ██ ██ ██████ █ ██ ████████ ███ ██ ██████ ███ ████ ██████████ █ ██ ██████ ███ ████ █████████.

█████████ ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █'███████ ██ ████ █████████ █ ███ ${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}$ ██ ███ ███████████, ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ██████ █ ███ ${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}$ ██ ███ ███████████, ██████ ██ ██████ ███ ████ ██████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ (██ ███████, ███ ██████ ██ ██ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\}}$, ${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=}$"████ ██ ██████ ████", ${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$), ██ ███████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ████████ ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$, █ ████ █:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}.}$

█████ ███████████ ███████ ███ ██████:

1. ██ ███████████ ██ ██ ██████ █████████ █ ██ ██████ ████████ ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$;
2. ██ ███████████ ████'██████ █████ █ ████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██ ███████████ ████'██████ ███████████ █ ████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$: ██ ██. ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=}$"████ ██ ██████ ████████ ███ █ █ █", ${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ${\displaystyle \frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=}$"████ ██ ██████ ████████ ██ █", ${\displaystyle |\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ${\displaystyle \frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.
3. ██ ███████████ ███ ███████████ ██ ███ ██ ███ ██████ █████████████, █████ ██ ███ ██████ ███ ███ ███████ ███████████ ███████████████, █ ██████ ████ █████ █████ ███████████ ███ ███ ██████; ██ ███████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=}$"████ ██ ██████ ████", ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$, █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=}$"████ ██ ██████ █", ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$, ██ ███████████ ███ ███████ ██ ████ ██ ███████ ██ ██████ ████ ██████ ██ █ █:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}=\frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|+|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}=\frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}+\frac{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}{|\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}|}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}+\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$.

█████████ ████'██████

████ ████████ ████████████ ████ ██████████ ███████████ ████████████ ████████████, ███████, ██ ████████ ██ █████████. ████'███████ ███ ██████ ███ ████ ███ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=}$"██████ ████", ██████████ ████ ████████ (${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$) ██ ██████ ██ █████ ███ █████████ ██ ██████ ████ ██ (${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$) ██ ██████ ███ █████ ██████████, ██ █████████ █ ██████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\frac{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$. ██ ████████ ██████ ██ █████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████'██████ ██████████ "██████ ██████ ████". ███████ ███ ██ █████ ███ ██████ ██████ ███ ██ ██████ ████████████ ██ █████ ██ ██████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$ █████ █ ██████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$ ███ █ ████████████, █████ ███████████ ████████████ █████ ███████████ █████████ ██ ███████, ████ ██████ █ ███ █████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$.

███████████ ████████████

██ ███████████ ████████ ████████ ██ █████████ ██████████████ ██ ███████████ ██ █████ ██████████. ███████, █ ███ ███████████ █████████ █ ████████ ██████ ██ ██████ ███ ██ ███████. ████████ ████████ ███████ ███████ ████████ ███ ███████████:

• ███ █████ ██ █████ ███████, █ ███ ███████████ █████████: ████████ ███ █ ████ ██████████ █████ ██ ████████ ███████████, ███ █ ████ ███ ███ ██ █████ ████████;
• ███ █████████ ██ ███████████ ██ ████ ██ ██████ ███ █████████████;
• ██████████ ██ ██████ ██████ ██ █████████ █████████ █ ██ ███████████ ███ █ ████████████ ███ ████████.

███ ████████ ████ ██████████, ███ █████ ███████ ██ ████████ ██ ███████████ ██ ██ ██████ ████ ██ ██████ ███ █████ ██ █████████ ████████ ████'██████ ██ ████████ ███ ██████ █████ ███████████:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\underset{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\to \mathrm{\infty }}{<span\; word-length="3"\; class="word\; redacted">███</span>}\frac{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}.}$

██ ███████████ ████████████ ██ ███████ ██ ███████████ ███████ █ ███ ██████ ██████████ ███ █████ ████████ ██████████ █████████, ██ ██████ ███ █'███████████ ███ ██████████ ███ █████, ██████████ ████████, █████ ██ ██████ ██████████.

█████ ████ ███████████ ████████ ██ █████████ ██ ███████████ ██ █████ ██████ █ ██ ████ ██ ████████ ██ ██████ ███ ██████ ███ ███████ █████ ███████████ ████████. █ ███████████, ███████, ██████████ ██ ████████ ███ ██████ ███ ████ ██████████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █ ██████ ███ ████ █████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ ██ ██████ ███ ████████ ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████████ ███'████████.

████████:

• ██ "██████" █████ █████████ ████████ ███ █ ████████████ ███'███████ ████████ ██████████; ██ ███████, ████ ███ ███████████ ${\displaystyle \left\{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\right\}}$, ██ ████ ███ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ██ ███ ██████ ██ ███ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}>\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██████ ██ ██████ ████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████ ███ ███ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}>\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, █, ████████ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, █ ██████ █████████ █████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$; █████ ███████████ ████████████, ██████, ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ █ ██████ ███████████;
• ███ █████ ███ ███████████ ████ ██████████; ██ ███████, ██ ███████████ █████ █████████ █████ ███ ██ ███████████ ███ ██ ███ ████ ██ █████ █ ███ ███ ██ ████ ██ █████ ██ ████████ ██ ██████ ███████ ██ ████ ██ ██████ ███████, ██ ██ ████ ██████ ███ █ █████████ ██████████ ███████████ ██████████ ███'████████.

███████████ ██████████

██ ███████ █ ██████ █████ ████████ ███ ███████████ ██ ███████████ ███████████ ██ ███████████ ███████ █ ███ ██████ ██████████ ███ █████ ████████ ██████████ █████████ █ ███ ███ █████ ███████████████ ██████████ ███ █████ █████ ██ ██████ ██████████: ██ ███████████ ██ ██ ██████ █ ██ ██████ ███ ██ █████████ ███████ ████ ██████ ███ ████████ █ ██ █'██████ ██ ████████, █ ██ █'██████ ███ ██ ████████.

██ ████ ██ ███████ █████████████ ███████████ ██ ███████████, ██ ████████ ██ ████████ ██ ████████: ██ ███████████ █████ ██████ ██████ ██████ ██████████ ██ ████ ████ ███ ███ ███ █████████ ████████ ███ ███████ █ ███ ███████ █████.

██ ███ ████ █ █████████ ████████ █████ ███████████ ██████████ ██ ██████ ███ ██████ ███ █████.

1. ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})\in [\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>};\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}]}$: ███████ ██ █████ ██ ███████ ██ ████████ █████, █████████ ██ █████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})>\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ███████ ███ ███████ █████;
2. ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$: ██ █'██████ █ █████, ██ ████████ ███████████ █, ██ ██ █████ ██ ███████ ██ ████████ █████, ████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})>\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██ ██████ █████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})>\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ███████ ███ ███████ █████;
3. ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cap \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\varnothing ,\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$. ██ ███████ ███████████████ ███ ██ █ ██████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}},\dots ,{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ ████ █████████████ (███ ███████ ███████████ ███████) █ █████████ (███ ██ ████ ████ ███████████████ ███████████), ██████ ██ ██ ${\displaystyle \sum _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$: ███████ ██ ████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})}$ ███ ███████ ██████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$, ██████ ██ ██ █████ █████ █████████ █ █ ██ ███████ ██ ████████ █████, ██ █████ █████████ ██ ███████ ███ ███████ █████. ██ ███████████ ███ ███ ██████ █████████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ █'██████ ███████████ █████ ████ ██████; █ ███ ██████ ████ █████████████ █ █████████ █ ██ ██:${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.}}$████ ████ █████████████ █████ █'██████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ██ ███ ███████████:${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.}}$█████ ███ ███████████ █████:██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cap \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\varnothing }$, ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}).}$

██ ███████████ ██████████ ████████ ██████ ██ █████████ ██ ███████████ ██ ██████ █████ ██████ ███ ██████ ██████████ ███ ████ █████████████ █ ██████ █'███████████ ███ ███ ██████ ████████. ██████ ███████, ████████, ████'████████ ██ ███████ █████████, ███ ██████████ ██████████ ███████ ███████████ ██ ███████. █████ ███████ ███ █████ █████████ ████████ █ ███████ █ ████ ███ ████████ ████, ██ █████ █████████████ ██ ███████ ██ ████ ███ ████████ ██ ████████.

███████████ ███████████

█'████████████ ███████████ █████ ███████████ █████ ████████ ██ ██████ ███████████ ██████████ ███ ████ ██ █████████████ ███ ███████████████████████████ (████████ ████████████ ███ ███████ █████ ███████████), ███████████ ██ ███████ ███ ███ █████ ██████████████ ███ █████████ ███ ██████ █████████████ ██ ███████████ ████ ██████ ██ █████████ ████████ (███. ████████████ ████████████) █ ██████ █████████ ██ ██████████ ██████ █████ ██████.

██ ██████ ███ ██ ███████████ ███████████ ███ █ ███ ███████████ █████████ █ ███ ████████ ███████████ ██ ████ █████████ ██ ███████████. █ ██████ ███ ███████████ ████████████ ███ ████'██████ ██ ██ █████████ ████████████ ███ ████'██████ ██ ██ █████████ █████████████.

██ ████ ██████ ███ ████████████ ███ "█████████████████" ██████ ████'███████████ █ ████████ █████████, ██ ██████ ████'███████████ █ █████████ ██ ███ ███ ██ ███████ █ ████████ █ ███████.

█'████████████ ███████████ █████ ███ ████████ ██ █-███████, █ ██████ ████████. ████ ██ █████████ ███████████ ███████, █ ████ █████████ █████████ █████████████ ███ ████████ ██ ██ ███████ ███ █████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, █████ ██████ ███████████, █ ███████ ██████ █ ██ ████████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$. ██ ███████████ █████ █████, ██ █████ ███████████████, ████ ███ ██████, ████ ████ ███ ████████ ███ ███████ █ ███████ ████████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ██████ █████ ███ ████████ ████ ███ ██ █████ █████ ███████████ ██ █████ ███ ██████ ███ ████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.

██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ███████████ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ████████ ██████████, █'███████ ██ █████ █ ████ ████████████, █████ ███████ █████ █████, ██, ███████████████, ███████████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █ ██ ███████████ ███ ████████. ████████, ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██ ██ ███████████ ███ ████████, ██ ███ ███████ █████ █████ ██ ███████████ █████████ █ ███████ "██████ ██████" ██████ ██ █████ ████████ ██ ██ ████ ███ ██████. ██ ███████████ ████████ █ ████ ████████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ █████████████ ███ ██████ ████████ ${\displaystyle \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██████ ██ ███████ ███ █████ ${\displaystyle \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ████ ███

• ██ ██ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ██████████ ██ ${\displaystyle \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██ ██████████ █████ ██ ███ ███████████:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}\Rightarrow \overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>};}$

• ██ ██'████████ ██████████ ██ ██████, ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}},{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}},\dots {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}},\dots }$, ██████████ ██ ${\displaystyle \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██ ██████████ █████ █'██████ ██████████ █████ ████ ██████:

${\displaystyle \mathrm{\forall }\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathbb{<span\; word-length="1"\; class="word\; redacted">█</span>},{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}\Rightarrow \bigcup _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathbb{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}.}$

███ ██████ ████████ █ ██████ ██ ████████████ ████'███████ █████ █████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ ███████ ██████ ████████ ████ ██████████ ██ ███████████ █ ██ ██████ ██████████.

██ ███ ██████████ ███ ███ ██████ ████████ █ ██████ █████ ████████ ███'████████████, ██████ █ ██████████, ██ ██████ ███ ██ █████ ██ ██ ██████ ██ ██:

${\displaystyle \mathrm{\forall }\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathbb{<span\; word-length="1"\; class="word\; redacted">█</span>},{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}\Rightarrow \bigcap _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathbb{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}=\overline{\bigcup _{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathbb{<span\; word-length="1"\; class="word\; redacted">█</span>}}\overline{{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>},}$

████ ██ ███████ ██████ ████'███████████ ██████████ ████ ██████ ██ ██████ ███████████ ██ ██'██████ ██████████ ███ ███████████ ██ ███████ ███ ██ ████████████.

██ ███████ █ ████████ ███████ (███ █████████ ██ ███ ██████ ██████████ █████ ███████████ ██████████):

1. ███ ██████ ████ ████████████ ██ ███ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ███████ ███ ██████ ████████ ${\displaystyle \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.
2. ██ ████ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\in \mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ █████████ ██ ██████ █████ ███ ████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$, █████ ███████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.
3. ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, █████ ██ ███████████ ████'██████ █████ █ ██████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$.
4. ██ █'████████████ ███ ███ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ █████, ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$.
5. ██ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █ ███ ███████████ ███████████ ██ ██████ █ ██ ███████ ██ █ ███'████████ █'████████████ █████ ${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}}$ █████ ███'███████ █████, ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})}$ █████ █ ████:

${\displaystyle {\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\downarrow \varnothing \Rightarrow \underset{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\to \mathrm{\infty }}{<span\; word-length="3"\; class="word\; redacted">███</span>}\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}({\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.}}$

██ ████████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$ █████ █████ ████████ ██ ███████████, █ █████ █████████████ ██ ███████████. ██ █████ ${\displaystyle (\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathcal{<span\; word-length="1"\; class="word\; redacted">█</span>},\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$ █████ █████ ██████ ██ ███████████.

█████ ███████ ██ ████████ ██████████████ ██████ █████████ ██████████ █████ ███████████:

• ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$ █ ██ ███████████ ██ ██ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██ ███████████ ████'██████ █████████████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})}$. ███████, ██████ █'████████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ███ ███ ███████████ █ █████ █ ██ ████ ██████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, █████ ███████ █ █ █ ██ ██████:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup \overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.}}$

• ██ ███████████ ████'██████ ███████████ █ ████ █ ████. ███████ █'███████ █████ █ ██ ███████████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ██ ██:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\varnothing )=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.}}$

• ██ ███████████ ██ ██ ██████ █ ██████ █ ██████ █ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$. ███████, ███████ ██ ███████████ ██████ ███ ████████ ███ ██ ███████ ███████, ██ ██:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}-\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}})\le \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>.}}$

• ██ ██ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ █ ███████ ██ ██ ██████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$, ██████ ██ ███ ███████████ █ ██████ █ ██████ █ ██████ ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$. ███████, ██ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███████ ${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}$ ███ ██████ ████████ ████ ██████ ██ ███████ █████████ █ ██ ██:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\subseteq \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\Rightarrow \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\cup (\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cap \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}))=\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\overline{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}\cap \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>})\ge \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}(\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}).}$