Timeline for Can we save the word "unique"?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 23, 2019 at 1:18 | comment | added | David | Yes, that's exactly what I'm saying in my question. It is clearly wrong if we are using "unique" correctly. It is probably correct in its idea if the student thinks "unique" means different. | |
| Aug 22, 2019 at 8:13 | comment | added | Dan Fox | @David: I think it is problematic rather than clearly wrong. What the student means to say is clear enough and is correct (provided one interprets unique as you indicate, which is common in colloquial use), although the student is unable to use language sufficiently carefully to say what the student means. | |
| Aug 22, 2019 at 0:04 | comment | added | David | To my mind, the definition "every $x$ has a unique $f(x)$" for one-to-one is not "problematic", it is simply wrong. This was one of the points I was making. | |
| Aug 21, 2019 at 9:31 | history | answered | Dan Fox | CC BY-SA 4.0 |