In mathematics (and in other sciences), often there is no unique answer, the same problem can be resolved by different approaches, and often one can learn something from each one.

So in order to favour different approaches a nice way will be to add a spoiler like mark. Those that want the answer will just display it, but the ones that want to think they one approach will not.


You can now hide a portion of text with

>! Spoiler
>! text

It will be hidden until your mouse move on it, e.g.

Spoiler text

  • $\begingroup$ Thank you, nice work. $\endgroup$
    – Ismael
    Dec 19 '10 at 3:06
  • $\begingroup$ Nice! Does it work only for blockquotes? $\endgroup$
    – P.K.
    Dec 27 '12 at 13:44
  • $\begingroup$ @DumbCow: Yes . $\endgroup$
    – kennytm
    Dec 27 '12 at 13:45
  • $\begingroup$ Can you do one for me in the comments? $\endgroup$
    – P.K.
    Dec 27 '12 at 13:46
  • 1
    $\begingroup$ @DumbCow: No. Well maybe you could abuse $\color{white}{\text{white text in }\LaTeX}$. $\endgroup$
    – kennytm
    Dec 27 '12 at 13:48
  • $\begingroup$ @ParthKohli \color{white}{\text{white text in }\LaTeX} - highlight his text to see what it says! $\endgroup$ Sep 27 '16 at 0:19

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