Proves no cofinal chains exist in the Weihrauch degrees of any order type, shows coinitial non-zero sequences equivalent to CH, and gives conditions for maximal antichains.
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Chains and antichains in the Weihrauch lattice
Proves no cofinal chains exist in the Weihrauch degrees of any order type, shows coinitial non-zero sequences equivalent to CH, and gives conditions for maximal antichains.