Commit 2024-02-22 22:14 50bf7913

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feat: Complex exp, log, and cpow are analytic (#10811) These are all immediate from differentiability. We also record several rewrite lemmas for switching between analyticity and differentiability. These are immediate from existing theorems, but as far as I can tell don't yet exist as iffs.

Estimated changes

added theorem AnalyticAt.cexp
added theorem AnalyticAt.clog
added theorem AnalyticAt.cpow
added theorem AnalyticOn.cexp
added theorem AnalyticOn.clog
added theorem AnalyticOn.cpow
added theorem analyticAt_cexp
added theorem analyticAt_clog
added theorem analyticOn_cexp