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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 23970 | . . 3 ⊢ (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹 ∈ (𝐽 Cn 𝐾)) | |
| 2 | cntop1 23449 | . . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐽 ∈ Top) | |
| 3 | hmeof1o.1 | . . . . . 6 ⊢ 𝑋 = ∪ 𝐽 | |
| 4 | 3 | toptopon 23126 | . . . . 5 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘𝑋)) |
| 5 | 2, 4 | sylib 221 | . . . 4 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐽 ∈ (TopOn‘𝑋)) |
| 6 | cntop2 23450 | . . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top) | |
| 7 | hmeof1o.2 | . . . . . 6 ⊢ 𝑌 = ∪ 𝐾 | |
| 8 | 7 | toptopon 23126 | . . . . 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 23973 | . . 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 2146 ∪ cuni 4874 –1-1-onto→wf1o 6539 ‘cfv 6540 (class class class)co 7419 Topctop 23102 TopOnctopon 23119 Cn ccn 23433 Homeochmeo 23963 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-map 8832 df-top 23103 df-topon 23120 df-cn 23436 df-hmeo 23965 |
| This theorem is used by: hmeoopn 23976 hmeocld 23977 hmeontr 23979 hmeoimaf1o 23980 hmeoqtop 23985 haushmphlem 23997 cmphmph 23998 connhmph 23999 reghmph 24003 nrmhmph 24004 hmphdis 24006 hmphen2 24009 cmphaushmeo 24010 txhmeo 24013 tpr2rico 34368 mndpluscn 34382 |
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