Function.support

{ι : Type u_1} → {M : Type u_3} → [Zero M] → (ι → M) → Set ι

support of a function is the set of points x such that f x ≠ 0.

Defined in: Mathlib.Algebra.Notation.Support
Cited by: 610 results in Mathlib
Foundations: Depth 4 from the axioms, rests on 13 definitions · uses no axioms
Assumes: Zero

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