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Re:Why Mathematica does not simplify Sinh[ArcCosh[x]] by rfc3092 on Sunday March 15, 2026 @12:32PM (#47389012)
This is what differentiates (pun intended) between Complex Algebra and Complex Analysis: complex functions in analysis are multivalued (or path dependent in some schools). Even a simple concept of value of F at complex point x becomes a topic of several lectures.

I’m algebraist at heart and training, but I remember beautiful many-layered surfaces of ordinary complex functions in books and on blackboards.

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