Set.indicator_singleton

∀ {ι : Type u_6} [inst : DecidableEq ι] {M : Type u_7} [inst_1 : Zero M] (i : ι) (f : ι → M),
  {i}.indicator f = Pi.single i (f i)

On non-dependent functions, Set.indicator on a singleton set equals Pi.single.

Defined in: Mathlib.Algebra.Group.Indicator
Cited by: 6 results in Mathlib
Foundations: Depth 15 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: DecidableEq Zero

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