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Zheyuan Wu
2026-03-25 11:49:59 -05:00
parent 604b48ca70
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content/Math4202/Math4202_L25.md
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@@ -76,7 +76,7 @@ $$
</details>
#### Lemma
#### Lemma of homotopy equivalence
Let $f,g:X\to Y$ be continuous maps. let $f(x_0)=y_0$ and $g(x_0)=y_1$. If $f$ and $g$ are homotopic, then there is a path $\alpha:I\to Y$ such that $\alpha(0)=y_0$ and $\alpha(1)=y_1$.