Search found 3 matches

by telebabbo
Sun Oct 02, 2011 8:10 pm
Forum: Math & Science
Topic: "def" and "=", one above the other
Replies: 3
Views: 26680

Re: "def" and "=", one above the other

Sorry for the previous post, I've missed to give \usepackage{amsmath}!
It works perfectly! Thank you very much! :)
by telebabbo
Sun Oct 02, 2011 7:46 pm
Forum: Math & Science
Topic: "def" and "=", one above the other
Replies: 3
Views: 26680

"def" and "=", one above the other

Uhm, thank you Stefan_K, but it does not compile!

Decidere se $ \mathbf{Z} $ rispetto all'operazione $$ a \circ b \defeq a + b + ab $$ è un gruppo.

returns: (/usr/local/texlive/2011/texmf-dist/tex/generic/babel/babel.def)))
(./matematica_discreta.aux)
! Undefined control sequence.
<argument ...
by telebabbo
Sat Oct 01, 2011 2:01 pm
Forum: Math & Science
Topic: "def" and "=", one above the other
Replies: 3
Views: 26680

"def" and "=", one above the other

Hi all, just as I tried to explain in the title, I would be able to write this symbol:
http://www.claudiodangelis.it/pub/def.gif

I've read all amssym documentation and latex math basics but I can't find it!

I state this is my very first time in LaTeX, maybe I'm still missing some important ...