find homomorphism [closed]

asked 2013-11-19 16:55:29 +0200

dewdrop gravatar image

updated 2013-11-19 17:56:02 +0200

Luca gravatar image

let X={ a,b,c} with topology T= { empty set,{a},{a,b},{a,b,c,d} find all homomorphism f from x to x and justify that the list is exhaustive

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Closed for the following reason question is off-topic or not relevant by John Palmieri
close date 2013-11-21 01:23:59


Sage doesn't handle abstract topological spaces like this. If you worked at it, you could probably find something essentially equivalent, but it's probably better just to understand the underlying mathematics using paper and pencil. For questions like this, try instead. I'm closing this question as off-topic.

John Palmieri gravatar imageJohn Palmieri ( 2013-11-21 01:23:52 +0200 )edit