Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2023-02-15 07:25 372edc36

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feat (analysis/special_functions): limit formula and reflection formula for Gamma (#18404) This adds Euler's limit formula and the reflection formula for the Gamma function. As a consequence we get that Gamma does not vanish on the complex plane (except at non-positive integers, where it is undefined, and we have arbitrarily chosen it to be 0).

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