Hello,

I should show that a surjective, continuous map f:X->Y is an identification if it admits a section s:Y->X.

I don't understand the part: "it admits a section s:Y->X." what does this mean?

what is a section?

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- October 30th 2010, 06:50 AMSogancontinuous section
Hello,

I should show that a surjective, continuous map f:X->Y is an identification if it admits a section s:Y->X.

I don't understand the part: "it admits a section s:Y->X." what does this mean?

what is a section? - October 30th 2010, 11:57 AMemakarov