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ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Map
Function
Unsigned function
Unsigned Realll func function
Complex euclidean P-length function
Euclidean P-length function
Euclidean length function
Definition D1210
Complex modulus function
Formulation 1
Let C=R2 be the D372: Set of complex numbers.
The complex modulus function is the D4365: Unsigned Realll func function C[0,),(x,y)x2+y2