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A set of things are distinct if they are all different. A thing is unique if it is different from every other thing (in some implicit universe). For example, t
by justinpombrio 10y ago
A set of things are distinct if they are all different. A thing is unique if it is different from every other thing (in some implicit universe).
For example, the names of the three people in my office (Jack, Preston, Justin) are distinct, but my name (Justin) is not unique: many other people share the same name.
- WaxProlix 10y agoIsn't that (distinctness) implicit in the term 'set'? If you had duplicates it'd be some other sort of collection, no?
- justinpombrio 10y agoRr, yes. I should have talked about a set of people with distinct names.