Shrink.addEquiv

{α : Type u_2} → [inst : Small.{v, u_2} α] → [inst_1 : Add α] → Shrink.{v, u_2} α ≃+ α

Shrink α to a smaller universe preserves addition.

Defined in: Mathlib.Algebra.Group.Shrink
Cited by: 2 results in Mathlib
Foundations: Depth 17 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Small Add

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