Date: Mar 3, 2013 10:57 PM
Author: Andrzej Kozlowski
Subject: Re: Conjugate

Your first line is not only not needed but also shows that you do not 
understand what the function Element is for. In fact, when you use it in
this way, it does nothing at all.
I think people should avoid giving advice to others on matters that they
do not understand themselves. Don't you agree?

Andrzej Kozlowski


On 3 Mar 2013, at 08:21, Joerg Lenhardt <joerg.lenhardt@FernUni-Hagen.de> wrote:

> Hello,
>
> Try
>
> FullSimplify, eg
>
> Element[{A, B}, Complexes];
> Conjugate[A + B] == Conjugate[A] + Conjugate[B]
> FullSimplify[%]
>
> J.
>
> On 02.03.13 09:44, =E9=81 =E5=B1=B1=E8=81=A1=E4=B8=80 wrote:

>> I executed following inputs:
>> Exit[]
>> Element[{A, B}, Complexes];
>> Conjugate[A + B] == Conjugate[A] + Conjugate[B]
>> I expected "True" on the last input, but Mathematica's output was:
>> Conjugate[A + B] == Conjugate[A] + Conjugate[B]
>> Why didnt Mathematica answer "True"?
>> Thanks.
>>

>
>