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| Mirrors > Home > MPE Home > Th. List > hmphref | Structured version Visualization version GIF version | ||
| Description: "Is homeomorphic to" is reflexive. (Contributed by FL, 25-Feb-2007.) (Proof shortened by Mario Carneiro, 23-Aug-2015.) |
| Ref | Expression |
|---|---|
| hmphref | ⊢ (𝐽 ∈ Top → 𝐽 ≃ 𝐽) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | toptopon2 22893 | . . 3 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘∪ 𝐽)) | |
| 2 | idhmeo 23748 | . . 3 ⊢ (𝐽 ∈ (TopOn‘∪ 𝐽) → ( I ↾ ∪ 𝐽) ∈ (𝐽Homeo𝐽)) | |
| 3 | 1, 2 | sylbi 217 | . 2 ⊢ (𝐽 ∈ Top → ( I ↾ ∪ 𝐽) ∈ (𝐽Homeo𝐽)) |
| 4 | hmphi 23752 | . 2 ⊢ (( I ↾ ∪ 𝐽) ∈ (𝐽Homeo𝐽) → 𝐽 ≃ 𝐽) | |
| 5 | 3, 4 | syl 17 | 1 ⊢ (𝐽 ∈ Top → 𝐽 ≃ 𝐽) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ∪ cuni 4851 class class class wbr 5086 I cid 5518 ↾ cres 5626 ‘cfv 6492 (class class class)co 7360 Topctop 22868 TopOnctopon 22885 Homeochmeo 23728 ≃ chmph 23729 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1st 7935 df-2nd 7936 df-1o 8398 df-map 8768 df-top 22869 df-topon 22886 df-cn 23202 df-hmeo 23730 df-hmph 23731 |
| This theorem is referenced by: hmpher 23759 hmph0 23770 |
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