Lemma 11.1.7.label Let $X$ be a nonempty set and $\curl{E_n}_{n\in\N}\suf 2^{X}$ then there exists $\curl{F_n}_{n\in\N}$ pairwise disjoint such that $\cups{}{n\in\N}E_{n}=\cups{}{n\in\N}F_{n}$.
Lemma 11.1.7.label Let $X$ be a nonempty set and $\curl{E_n}_{n\in\N}\suf 2^{X}$ then there exists $\curl{F_n}_{n\in\N}$ pairwise disjoint such that $\cups{}{n\in\N}E_{n}=\cups{}{n\in\N}F_{n}$.
Post a Comment