Documentation

Mathlib.Algebra.Notation.FiniteSupport

Finiteness of support #

@[simp]
theorem Function.mulSupport_along_fiber_finite_of_finite {α : Type u_1} {β : Type u_2} {γ : Type u_3} [One γ] (f : α × βγ) (a : α) (h : HasFiniteMulSupport f) :
HasFiniteMulSupport fun (b : β) => f (a, b)
@[simp]
theorem Function.support_along_fiber_finite_of_finite {α : Type u_1} {β : Type u_2} {γ : Type u_3} [Zero γ] (f : α × βγ) (a : α) (h : HasFiniteSupport f) :
HasFiniteSupport fun (b : β) => f (a, b)