diff --git a/.gitmodules b/.gitmodules index 1197bac..d9a7d79 100644 --- a/.gitmodules +++ b/.gitmodules @@ -1,3 +1,3 @@ [submodule "LatexPackagesBuild"] path = LatexPackagesBuild - url = https://gitlab.com/latexci/packages/LatexPackagesBuild.git + url = https://git.abstractnonsen.se/latex/latex-packages-build diff --git a/inputs/lecture_23.tex b/inputs/lecture_23.tex index 6068d5d..fde2837 100644 --- a/inputs/lecture_23.tex +++ b/inputs/lecture_23.tex @@ -160,14 +160,14 @@ Let $I$ be a linear order we have that $F_\gamma = \bigcap_{\alpha < \gamma} F_\alpha$, since $(X_\gamma,\Z)$ is the inverse limit of $\{(X_{\alpha}, \Z):\alpha < \gamma\}$. - \item For all $\alpha < \beta$, $F_{\alpha+1} \subsetneq F_\alpha$, + \item For all $\alpha$ it is $F_{\alpha+1} \subsetneq F_\alpha$, because $\pi^{\alpha+1}_\alpha \colon (X_{\alpha+1},\Z) \to (X_\alpha,\Z)$ is not a bijection and all the fibers are isomorphic. \end{itemize} So $(F_\alpha)_{\alpha \le \beta}$ is a strictly - increasing chain of closed subsets. + decreasing chain of closed subsets. But $X$ is second countable, so $\beta$ is countable: Let $\{U_n\} = \cB$ be a countable basis