Theorems · Theorem · group theory

Function.extend_sub

∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} [inst : Sub γ] (f : α → β) (g₁ g₂ : α → γ) (e₁ e₂ : β → γ),
  Function.extend f (g₁ - g₂) (e₁ - e₂) = Function.extend f g₁ e₁ - Function.extend f g₂ e₂

Defined in

Mathlib.Algebra.Group.Pi.Basic

Cited by

0 results in Mathlib

Foundations

Depth 14 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

Sub