Theorems · Theorem · category theory
TopCat.I.ext_iff
∀ {x y : ↑TopCat.I}, x = y ↔ TopCat.I.homeomorph x = TopCat.I.homeomorph y- Cited by
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- Foundations
- Depth 117 from the axioms · uses propext, Classical.choice, Quot.sound
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Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Setstatement · cited by 53,352
- Realstatement · cited by 25,697
- Set.Elemstatement · cited by 7,166
- TopCat.carrierstatement and proof · cited by 3,184
- Homeomorphstatement · cited by 725
- unitIntervalstatement · cited by 607
- TopCat.Istatement and proof · cited by 64
- TopCat.I.homeomorphstatement and proof · cited by 11
- TopCat.I.extproof · cited by 3
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