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| Mirrors > Home > MPE Home > Th. List > hmeoqtop | Structured version Visualization version GIF version | ||
| Description: A homeomorphism is a quotient map. (Contributed by Mario Carneiro, 25-Aug-2015.) |
| Ref | Expression |
|---|---|
| hmeoqtop | ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 = (𝐽 qTop 𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hmeocn 24041 | . . . 4 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹 ∈ (𝐽 Cn 𝐾)) | |
| 2 | cntop2 23521 | . . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top) | |
| 3 | 1, 2 | syl 18 | . . 3 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 ∈ Top) |
| 4 | toptopon2 23198 | . . 3 ⊢ (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘∪ 𝐾)) | |
| 5 | 3, 4 | sylib 221 | . 2 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 ∈ (TopOn‘∪ 𝐾)) |
| 6 | eqid 2760 | . . . 4 ⊢ ∪ 𝐽 = ∪ 𝐽 | |
| 7 | eqid 2760 | . . . 4 ⊢ ∪ 𝐾 = ∪ 𝐾 | |
| 8 | 6, 7 | hmeof1o 24045 | . . 3 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹:∪ 𝐽–1-1-onto→∪ 𝐾) |
| 9 | f1ofo 6820 | . . 3 ⊢ (𝐹:∪ 𝐽–1-1-onto→∪ 𝐾 → 𝐹:∪ 𝐽–onto→∪ 𝐾) | |
| 10 | forn 6787 | . . 3 ⊢ (𝐹:∪ 𝐽–onto→∪ 𝐾 → ran 𝐹 = ∪ 𝐾) | |
| 11 | 8, 9, 10 | 3syl 19 | . 2 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → ran 𝐹 = ∪ 𝐾) |
| 12 | hmeoima 24046 | . 2 ⊢ ((𝐹 ∈ (𝐽Homeo𝐾) ∧ 𝑥 ∈ 𝐽) → (𝐹 “ 𝑥) ∈ 𝐾) | |
| 13 | 5, 1, 11, 12 | qtopomap 23999 | 1 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 = (𝐽 qTop 𝐹)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∪ cuni 4866 ran crn 5648 –onto→wfo 6525 –1-1-onto→wf1o 6526 ‘cfv 6527 (class class class)co 7408 qTop cqtop 17637 Topctop 23173 TopOnctopon 23190 Cn ccn 23504 Homeochmeo 24034 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-ov 7411 df-oprab 7412 df-mpo 7413 df-map 8827 df-qtop 17641 df-top 23174 df-topon 23191 df-cn 23507 df-hmeo 24036 |
| This theorem is used by: xpstopnlem2 24092 |
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