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| Mirrors > Home > MPE Home > Th. List > hmeof1o | Structured version Visualization version GIF version | ||
| Description: A homeomorphism is a 1-1-onto mapping. (Contributed by FL, 5-Mar-2007.) (Revised by Mario Carneiro, 30-May-2014.) |
| Ref | Expression |
|---|---|
| hmeof1o.1 | ⊢ 𝑋 = ∪ 𝐽 |
| hmeof1o.2 | ⊢ 𝑌 = ∪ 𝐾 |
| Ref | Expression |
|---|---|
| hmeof1o | ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹:𝑋–1-1-onto→𝑌) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hmeocn 23989 | . . 3 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹 ∈ (𝐽 Cn 𝐾)) | |
| 2 | cntop1 23468 | . . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐽 ∈ Top) | |
| 3 | hmeof1o.1 | . . . . . 6 ⊢ 𝑋 = ∪ 𝐽 | |
| 4 | 3 | toptopon 23145 | . . . . 5 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘𝑋)) |
| 5 | 2, 4 | sylib 221 | . . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐽 ∈ (TopOn‘𝑋)) |
| 6 | cntop2 23469 | . . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top) | |
| 7 | hmeof1o.2 | . . . . . 6 ⊢ 𝑌 = ∪ 𝐾 | |
| 8 | 7 | toptopon 23145 | . . . . 5 ⊢ (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘𝑌)) |
| 9 | 6, 8 | sylib 221 | . . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ (TopOn‘𝑌)) |
| 10 | 5, 9 | jca 521 | . . 3 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → (𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘𝑌))) |
| 11 | 1, 10 | syl 18 | . 2 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → (𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘𝑌))) |
| 12 | hmeof1o2 23992 | . . 3 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘𝑌) ∧ 𝐹 ∈ (𝐽Homeo𝐾)) → 𝐹:𝑋–1-1-onto→𝑌) | |
| 13 | 12 | 3expia 1139 | . 2 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘𝑌)) → (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹:𝑋–1-1-onto→𝑌)) |
| 14 | 11, 13 | mpcom 39 | 1 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹:𝑋–1-1-onto→𝑌) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∪ cuni 4867 –1-1-onto→wf1o 6532 ‘cfv 6533 (class class class)co 7414 Topctop 23121 TopOnctopon 23138 Cn ccn 23452 Homeochmeo 23982 |
| 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-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 |
| 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-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7417 df-oprab 7418 df-mpo 7419 df-map 8831 df-top 23122 df-topon 23139 df-cn 23455 df-hmeo 23984 |
| This theorem is used by: hmeoopn 23995 hmeocld 23996 hmeontr 23998 hmeoimaf1o 23999 hmeoqtop 24004 haushmphlem 24016 cmphmph 24017 connhmph 24018 reghmph 24022 nrmhmph 24023 hmphdis 24025 hmphen2 24028 cmphaushmeo 24029 txhmeo 24032 tpr2rico 34425 mndpluscn 34439 |
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