Re: image v. range
- From: rusin@xxxxxxxxxxxxxxxxxxxxx (Dave Rusin)
- Date: 5 Dec 2005 21:59:50 GMT
In article <dn2bcj$7o5$1@xxxxxxxxxxxxxxxxxxxxxx>,
Robert Israel <israel@xxxxxxxxxxx> wrote:
>In article <4394ab0a_1@xxxxxxxxxxxxxxxxxxx>,
>Gary Weselle <weselle_g@xxxxxxxxxxx> wrote:
>
>
>>this has been a problem for some time, what is the different between the
>>image and the range of a function.
>
>There is no difference.
I think in secondary schools one hears "range" used for what some
of us call "codomain": the space Y mentioned when defining a
function f : X --> Y .
dave
.
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