Minor adjustments.
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@@ -26,8 +26,8 @@
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Let $X$ be a topological space, $\sim$ be an equivalence relation on $X$, then there exists $(\td X, \pi)$ such that:
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Let $X$ be a topological space, $\sim$ be an equivalence relation on $X$, then there exists $(\td X, \pi)$ such that:
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\begin{enumerate}
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\begin{enumerate}
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\item $\td X$ is a topological space with ground set $X/\sim$.
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\item $\td X$ is a topological space with ground set $X/\sim$.
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\item $\pi$ is constant on each equivalence class of $\sim$.
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\item $\pi \in C(X; \td X)$.
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\item $\pi \in C(X; \td X)$.
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\item $\pi$ is constant on each equivalence class of $\sim$.
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\item[(U)] For any pair $(Y, f)$ satisfying (1), (2), and (3), there exists a unique $\td f \in C(\td X; Y)$ such that the following diagram commutes:
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\item[(U)] For any pair $(Y, f)$ satisfying (1), (2), and (3), there exists a unique $\td f \in C(\td X; Y)$ such that the following diagram commutes:
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\[
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\[
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\xymatrix{
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\xymatrix{
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