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Results tagged with permutations
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user 15328
Questions related to permutations, bijections from a finite (or sometimes infinite) set to itself.
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How establish conversion of cut-free proof into uniform proof?
I think some of the commenters were confused by the notation $\Gamma \vdash A \downarrow B$, which I have only seen written as $\Gamma [ A ] \vdash B$ or $\Gamma \vdash A > B$. The downarrow comes, as …