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They're using the typical symbols for denoting those sets, which are fancier than the symbols used for mere variables. One only resorts to using basic letters i
by philipov 3y ago
They're using the typical symbols for denoting those sets, which are fancier than the symbols used for mere variables. One only resorts to using basic letters if the usual symbols aren't available.
https://en.wikipedia.org/wiki/Real_number https://en.wikipedia.org/wiki/Real_number
- PrimeMcFly 3y agoIsn't it much more work to find those symbols and copy and paste them though?
- layer8 3y agoMore work for the author, but nicer for the reader, and makes it more self-explanatory which sets are meant. The latter is what I cared about. Also, if you’re on desktop with a suitably configured Compose key, it’s actually simple to type (Compose I R for example), no need for copy&paste.
- PrimeMcFly 3y agoInteresting, thanks.