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Theorems · Theorem · group theory

AddAction.stabilizer_orbit_eq

∀ {G : Type u_1} [inst : AddGroup G] {X : Type u_2} [inst_1 : AddAction G X] {a : X} {H : AddSubgroup G},
  AddAction.stabilizer G a ≤ H → AddAction.stabilizer G (AddAction.orbit (↥H) a) = H

A subgroup containing the stabilizer of a is the stabilizer of the orbit of a under that subgroup

Defined in
Mathlib.GroupTheory.GroupAction.Blocks
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Foundations
Depth 61 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
AddGroupAddAction

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