Erdős Problem #108 — For every r≥4r\geq 4 and k≥2k\geq 2 is there some finite f(k,r)f(k,r) such that every graph of chromatic number ≥f(k,r)\geq f(k,r) contains a subgraph of girth ≥r\geq r and chromatic number ≥k\geq k?

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For every r≥4r\geq 4 and k≥2k\geq 2 is there some finite f(k,r)f(k,r) such that every graph of chromatic number ≥f(k,r)\geq f(k,r) contains a subgraph of girth ≥r\geq r and chromatic number ≥k\geq k?

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