Theorems · Theorem
DFunLike.subsingleton_dom
∀ {F : Sort u_1} {α : Sort u_2} {β : α → Sort u_3} [i : DFunLike F α β] [IsEmpty α], Subsingleton FThis is not an instance to avoid slowing down every single Subsingleton typeclass search.
- Defined in
- Mathlib.Data.FunLike.Basic
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 7 from the axioms · uses Quot.sound
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Cites4
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- IsEmptystatement and proof · cited by 759
- DFunLikestatement and proof · cited by 576
- DFunLike.coe_injectiveproof · cited by 161
- Function.Injective.subsingletonproof · cited by 16
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