Some people are telling me that you can perform arithmetical operations with transfinite numbers, but other people are telling me that you cannot. My question is this:

Is the following true or false:

(aleph-0) - 1 = (aleph-0)

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- May 24th 2012, 12:43 PMchuckg1982Help with transfinite numbers
Some people are telling me that you can perform arithmetical operations with transfinite numbers, but other people are telling me that you cannot. My question is this:

Is the following true or false:

(aleph-0) - 1 = (aleph-0)

- May 24th 2012, 02:23 PMemakarovRe: Help with transfinite numbers
It is true. See cardinal subtraction in Wikipedia.