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Theorem hmeoqtop 22385
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 22370 . . . 4 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹 ∈ (𝐽 Cn 𝐾))
2 cntop2 21851 . . . 4 (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
31, 2syl 17 . . 3 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 ∈ Top)
4 toptopon2 21528 . . 3 (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘ 𝐾))
53, 4sylib 220 . 2 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 ∈ (TopOn‘ 𝐾))
6 eqid 2823 . . . 4 𝐽 = 𝐽
7 eqid 2823 . . . 4 𝐾 = 𝐾
86, 7hmeof1o 22374 . . 3 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐹: 𝐽1-1-onto 𝐾)
9 f1ofo 6624 . . 3 (𝐹: 𝐽1-1-onto 𝐾𝐹: 𝐽onto 𝐾)
10 forn 6595 . . 3 (𝐹: 𝐽onto 𝐾 → ran 𝐹 = 𝐾)
118, 9, 103syl 18 . 2 (𝐹 ∈ (𝐽Homeo𝐾) → ran 𝐹 = 𝐾)
12 hmeoima 22375 . 2 ((𝐹 ∈ (𝐽Homeo𝐾) ∧ 𝑥𝐽) → (𝐹𝑥) ∈ 𝐾)
135, 1, 11, 12qtopomap 22328 1 (𝐹 ∈ (𝐽Homeo𝐾) → 𝐾 = (𝐽 qTop 𝐹))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1537  wcel 2114   cuni 4840  ran crn 5558  ontowfo 6355  1-1-ontowf1o 6356  cfv 6357  (class class class)co 7158   qTop cqtop 16778  Topctop 21503  TopOnctopon 21520   Cn ccn 21834  Homeochmeo 22363
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-rep 5192  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332  ax-un 7463
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-ral 3145  df-rex 3146  df-reu 3147  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-pw 4543  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-iun 4923  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-f1 6362  df-fo 6363  df-f1o 6364  df-fv 6365  df-ov 7161  df-oprab 7162  df-mpo 7163  df-map 8410  df-qtop 16782  df-top 21504  df-topon 21521  df-cn 21837  df-hmeo 22365
This theorem is referenced by:  xpstopnlem2  22421
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