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Theorems · Theorem · group theory

fixingSubgroup_iUnion

∀ (M : Type u_1) (α : Type u_2) [inst : Group M] [inst_1 : MulAction M α] {ι : Sort u_3} {s : ι → Set α},
  fixingSubgroup M (⋃ i, s i) = ⨅ i, fixingSubgroup M (s i)

Fixing subgroup of iUnion is intersection

Defined in
Mathlib.GroupTheory.GroupAction.FixingSubgroup
Cited by
0 results in Mathlib
Foundations
Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
GroupMulAction

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