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Theorem hmeoqtop 22318
Description: A homeomorphism is a quotient map. (Contributed by Mario Carneiro, 25-Aug-2015.)
Assertion
Ref Expression
hmeoqtop (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 = (𝐽 qTop 𝐹))

Proof of Theorem hmeoqtop
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 hmeocn 22303 . . . 4 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹 ∈ (𝐽 Cn 𝐾))
2 cntop2 21784 . . . 4 (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
31, 2syl 17 . . 3 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 ∈ Top)
4 toptopon2 21461 . . 3 (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘ 𝐾))
53, 4sylib 219 . 2 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 ∈ (TopOn‘ 𝐾))
6 eqid 2826 . . . 4 𝐽 = 𝐽
7 eqid 2826 . . . 4 𝐾 = 𝐾
86, 7hmeof1o 22307 . . 3 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹: 𝐽1-1-onto 𝐾)
9 f1ofo 6621 . . 3 (𝐹: 𝐽1-1-onto 𝐾𝐹: 𝐽onto 𝐾)
10 forn 6592 . . 3 (𝐹: 𝐽onto 𝐾 → ran 𝐹 = 𝐾)
118, 9, 103syl 18 . 2 (𝐹 ∈ (𝐽Homeo𝐾) → ran 𝐹 = 𝐾)
12 hmeoima 22308 . 2 ((𝐹 ∈ (𝐽Homeo𝐾) ∧ 𝑥𝐽) → (𝐹𝑥) ∈ 𝐾)
135, 1, 11, 12qtopomap 22261 1 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 = (𝐽 qTop 𝐹))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1530  wcel 2107   cuni 4837  ran crn 5555  ontowfo 6352  1-1-ontowf1o 6353  cfv 6354  (class class class)co 7150   qTop cqtop 16771  Topctop 21436  TopOnctopon 21453   Cn ccn 21767  Homeochmeo 22296
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1904  ax-6 1963  ax-7 2008  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2153  ax-12 2169  ax-ext 2798  ax-rep 5187  ax-sep 5200  ax-nul 5207  ax-pow 5263  ax-pr 5326  ax-un 7455
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 844  df-3an 1083  df-tru 1533  df-ex 1774  df-nf 1778  df-sb 2063  df-mo 2620  df-eu 2652  df-clab 2805  df-cleq 2819  df-clel 2898  df-nfc 2968  df-ne 3022  df-ral 3148  df-rex 3149  df-reu 3150  df-rab 3152  df-v 3502  df-sbc 3777  df-csb 3888  df-dif 3943  df-un 3945  df-in 3947  df-ss 3956  df-nul 4296  df-if 4471  df-pw 4544  df-sn 4565  df-pr 4567  df-op 4571  df-uni 4838  df-iun 4919  df-br 5064  df-opab 5126  df-mpt 5144  df-id 5459  df-xp 5560  df-rel 5561  df-cnv 5562  df-co 5563  df-dm 5564  df-rn 5565  df-res 5566  df-ima 5567  df-iota 6313  df-fun 6356  df-fn 6357  df-f 6358  df-f1 6359  df-fo 6360  df-f1o 6361  df-fv 6362  df-ov 7153  df-oprab 7154  df-mpo 7155  df-map 8403  df-qtop 16775  df-top 21437  df-topon 21454  df-cn 21770  df-hmeo 22298
This theorem is referenced by:  xpstopnlem2  22354
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