Works in Mathematica

[rprosperi]

(03-05-2014 07:24 AM)parisse Wrote:  

(03-04-2014 10:59 PM)Mark Hardman Wrote:  Example, to define -pi < s < pi:

assume(s>-pi)
additionally(s<pi)
about(s)

Or in one command assume(s>-pi && s<pi)

Thanks Parisse, very useful hint (for many uses); also I find it more concise this way.

Can I use assume() to assert that a variable must be real (to exclude imaginary solutions)?

Also, does the above example automatically impy only real solutions?