Hi all,

If and are 3 continous functions on a set A,

that verify:

(beware the and not )

can I say that there exists such that:

thank you

Deubelte

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- April 26th 2009, 08:54 AMdeubelteinequality of supremums
Hi all,

If and are 3 continous functions on a set A,

that verify:

(beware the and not )

can I say that there exists such that:

thank you

Deubelte - April 26th 2009, 09:28 AMPlato
Let now define .

Is that statement still true.

You must have left something out of the statement of the question. - April 26th 2009, 10:24 AMOpalg
- April 27th 2009, 12:22 AMdeubelte
I have an other question. supposing we have two continuous functions

and

such that:

can I say that:

there exists x in A such that:

1)

2) there exists x such that:

thx - April 27th 2009, 12:57 AMOpalg
- April 27th 2009, 01:32 AMdeubelte
Ok, so I guess that my second statement is also true ??

Merci l'Anglais.