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S Jul 16 at 13:38 vote accept Rubén Sales Castellar
Jul 15 at 10:07 review Close votes
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Jul 7 at 15:30 answer added Xander Henderson timeline score: 3
Jul 7 at 15:12 comment added Xander Henderson In the paragraph which follows, Edgar notes that you will need to keep in mind that numbers may have different representations. The exercise could be more precisely stated---perhaps by indicating that if a number can be represented in two ways (e.g. $0.1_2 = 0.0\overline{1}_2$), then choose representations which get the job done.
Jul 3 at 12:04 vote accept Rubén Sales Castellar
S Jul 16 at 13:38
Jul 3 at 10:42 answer added heropup timeline score: 2
Jul 3 at 10:29 comment added Lucenaposition You can think of $(0.1,0.1)$ as $(0.011111\dots,0.1)$. Now they don't have a 1 in the same decimal place.
Jul 3 at 10:20 comment added Stéphane Jaouen You're right : there's a problem with this exercise. I re-read the definition given just before p.8 for $S_1$: we "remove the interior triangle but leave the boundary". Maybe @GEdgar could say a word :). There is another point $(0.01,0.01)\in S$ for example
Jul 3 at 10:10 comment added Rubén Sales Castellar Thanks and sorry, I'm new here!!!
Jul 3 at 9:53 comment added Stéphane Jaouen Hello and welcome to MSE. I took the liberty of modifying your post to make it more in line with MSE's usual posts. You can review the changes via the EDIT command, if you wish.
Jul 3 at 9:51 history edited Stéphane Jaouen CC BY-SA 4.0
added 340 characters in body
Jul 3 at 9:26 comment added José Carlos Santos Welcome to MSE. It is in your best interest that you type your posts (using MathJax) instead of posting links to pictures.
S Jul 3 at 9:25 review First questions
Jul 3 at 9:26
S Jul 3 at 9:25 history asked Rubén Sales Castellar CC BY-SA 4.0