Suppose X, Y are topological spaces and that X⊆Y.
Then X is the subspace topology of Y if and only if the inclusion map j: X →Y is homeomorphism onto its image.
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- Localization commutes with finite product of rings.
- Extending exact sequence
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1 comment:
If you replace "topological space" with "model" and "homeomorphism" with "embedding", then the definition of subspace becomes that of submodel.
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