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by kisonecat 1169 days ago
It looks like the text uses the more natural R R a few pages later.
1 comments

Yes, but I'm dubious of the value of a learning resource this indirect. I waded through about 5 versions of the complex numbers, each more natural than the last and gave up on the book because it didn't seem like any reason for the tumultuous journey though weird models of the complex numbers would be elucidated. I'm now trying to crowdsource motivation to continue.