Fibre
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Revision as of 14:28, 7 October 2016 by Alec (Talk | contribs) (Created page with "{{stub page|grade=A|msg=could use a reference}} ==Definition== Let {{M|f:X\rightarrow Y}} be a function, then: * A ''fibre'' of {{M|f}} is any set of the form {{M|f^{-1}(\...")
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could use a reference
Definition
Let [ilmath]f:X\rightarrow Y[/ilmath] be a function, then:
- A fibre of [ilmath]f[/ilmath] is any set of the form [ilmath]f^{-1}(\{y\})[/ilmath] for some [ilmath]y\in Y[/ilmath]
References
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