# prove or disprove: statement about Span

• Dec 25th 2012, 12:23 PM
Stormey
prove or disprove: statement about Span
Hi.

is this true or false:

$Span\left \{ u \right \}=Span\left \{ u,v \right \}\cap Span\left \{ u,w \right \}$

$u\neq 0$

BTW,
i think it is true, but i'm not sure...(Worried)
• Dec 25th 2012, 12:34 PM
emakarov
Re: prove or disprove: statement about Span
What if v = w?
• Dec 25th 2012, 01:00 PM
Stormey
Re: prove or disprove: statement about Span
(Angry)