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Talk:Test integerness: Difference between revisions
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→Some thoughts: zero, 0i, nul, nulls, undefined, ... and quoting Alice.
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: (As per above) I'm assuming that 4+0i is an integer, even though the '''0i''' isn't "nul"; the imaginary part is equal to zero, but it's not equal to a "nul" (depending on one's definition of the equality of zero and "nul" in the previous sentence). -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 15:31, 25 June 2014 (UTC)
::I wonder what you mean by «'''0i''' isn't nul». It is very much nul to me, or equal to zero, which means the same imho. Unless you're talking about nul as "undefined" or something, but that's clearly not what we're talking about here.--[[User:Grondilu|Grondilu]] ([[User talk:Grondilu|talk]]) 19:46, 25 June 2014 (UTC)
::: What I meant that zero (0) [or 0i] and "nul" aren't the same thing, they aren't equal. And I wasn't talking about nul as having a value as undefined or somesuch. Also, a nul character ('00x') and a null value are two different animals. [ ] is not equal to [0]. -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 20:23, 25 June 2014 (UTC)
:::: "The question is," said Alice, "whether you can make words mean so many different things." ──── ''Through the Looking-Glass'' by Lewis Carroll (Charles Lutwidge Dodgson).
:: Imaginary numbers are taught as existing on an orthogonal axis to the reals intersecting the reals at 0j. It ''seems'' OK to thing of am imaginary number with zero imaginary part and zero after the decimal point as equivalent to an integer for this task. --[[User:Paddy3118|Paddy3118]] ([[User talk:Paddy3118|talk]]) 16:11, 25 June 2014 (UTC)
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