Re: Domain of a function

*To*: mathgroup at smc.vnet.net*Subject*: [mg123231] Re: Domain of a function*From*: Bill Rowe <readnews at sbcglobal.net>*Date*: Mon, 28 Nov 2011 05:52:55 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com

On 11/27/11 at 4:14 AM, alfred.muehlleitner at gmx.at (Tutor) wrote: >Element[x | Sqrt[2 + x], Reals]; what exactly does "|" in this case? Alternatives. Note, you can highlight this in the Front End then do Help->Find Selected Function to look it up in the online help.