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math.LO2013
Omitting cohesive sets
Wei Wang
We prove that if is a computable sequence of subsets of which admits no computable cohesive set, then no 3-generic computes any -cohesive set; and there exis…
math.LO2013★ 29 cited
Some logically weak Ramseyan theorems
Wei Wang
We study four families of consequences of Ramsey's Theorem from the viewpoint of reverse mathematics. The first, which we call the Achromatic Ramsey Theorem, is from a partition re…