Talk:Extraneous and missing solutions: Difference between revisions

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First Example: ___domain
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::::Isn't it true that in your example above that x = -2 is not in the ___domain of x? [[User:Tparameter|Tparameter]] ([[User talk:Tparameter|talk]]) 14:11, 20 January 2008 (UTC)
 
:::::By "___domain" I did not mean the [[___domain (mathematics)|___domain]] of a function, but the [[___domain of discourse]], which in this case happens to be a [[___domain (ring theory)|___domain]] in the sense of [[ring theory]]: the ring (and even [[field (mathematics)|field]]) of the [[real number]]s.  --[[User talk:Lambiam|Lambiam]] 03:14, 21 January 2008 (UTC)
 
== Is this an example of an extraneous solution? ==