content/zettel/2e1b2a.md


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title = "Equivalent to phi function"
author = "Yann Herklotz"
tags = []
categories = []
backlinks = ["2e1b2"]
forwardlinks = []
zettelid = "2e1b2a"
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The μ function is equivalent to the φ function, as there is no predicate
available, and the value is picked based on the join point.