# How I can prove Ramsey number R(2,3,4) > 8?

I need to prove $R(2,3,4) > 8$ with Ramsey theory. How can I do that?

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Hint: You can't have any edges of color $1$.

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Can you prove $R(3,4) \gt 8$ ?

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@rschwieb This is not a new question. It is, indeed, an answer to the original question. – Andrés Caicedo Jan 18 '13 at 6:33
@all Sorry, I mistook this as an out of place question. My bad! – rschwieb Jan 18 '13 at 14:10