[[Topology MOC]]
# Möbius strip

The **Möbius strip** is a [[Orientable surface|non-orientable]] [[differentiable manifold]].
Let $X = [0,1] \times (0,1)$ and let $(0,y) \sim (1,1-y)$ be an [[equivalence relation]] on $X$.
Then $M = X/{\sim}$ Möbius strip. #m/def/topology 


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