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Theorem hmeoimaf1o 12954
Description: The function mapping open sets to their images under a homeomorphism is a bijection of topologies. (Contributed by Mario Carneiro, 10-Sep-2015.)
Hypothesis
Ref Expression
hmeoimaf1o.1  |-  G  =  ( x  e.  J  |->  ( F " x
) )
Assertion
Ref Expression
hmeoimaf1o  |-  ( F  e.  ( J Homeo K )  ->  G : J
-1-1-onto-> K )
Distinct variable groups:    x, F    x, J    x, K
Allowed substitution hint:    G( x)

Proof of Theorem hmeoimaf1o
Dummy variable  y is distinct from all other variables.
StepHypRef Expression
1 hmeoimaf1o.1 . 2  |-  G  =  ( x  e.  J  |->  ( F " x
) )
2 hmeoima 12950 . 2  |-  ( ( F  e.  ( J
Homeo K )  /\  x  e.  J )  ->  ( F " x )  e.  K )
3 hmeocn 12945 . . 3  |-  ( F  e.  ( J Homeo K )  ->  F  e.  ( J  Cn  K
) )
4 cnima 12860 . . 3  |-  ( ( F  e.  ( J  Cn  K )  /\  y  e.  K )  ->  ( `' F "
y )  e.  J
)
53, 4sylan 281 . 2  |-  ( ( F  e.  ( J
Homeo K )  /\  y  e.  K )  ->  ( `' F " y )  e.  J )
6 eqid 2165 . . . . . . 7  |-  U. J  =  U. J
7 eqid 2165 . . . . . . 7  |-  U. K  =  U. K
86, 7hmeof1o 12949 . . . . . 6  |-  ( F  e.  ( J Homeo K )  ->  F : U. J -1-1-onto-> U. K )
98adantr 274 . . . . 5  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  F : U. J -1-1-onto-> U. K )
10 f1of1 5431 . . . . 5  |-  ( F : U. J -1-1-onto-> U. K  ->  F : U. J -1-1-> U. K )
119, 10syl 14 . . . 4  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  F : U. J -1-1-> U. K )
12 elssuni 3817 . . . . 5  |-  ( x  e.  J  ->  x  C_ 
U. J )
1312ad2antrl 482 . . . 4  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  x  C_  U. J
)
14 cnvimass 4967 . . . . 5  |-  ( `' F " y ) 
C_  dom  F
15 f1dm 5398 . . . . . 6  |-  ( F : U. J -1-1-> U. K  ->  dom  F  =  U. J )
1611, 15syl 14 . . . . 5  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  dom  F  = 
U. J )
1714, 16sseqtrid 3192 . . . 4  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  ( `' F " y )  C_  U. J )
18 f1imaeq 5743 . . . 4  |-  ( ( F : U. J -1-1-> U. K  /\  ( x 
C_  U. J  /\  ( `' F " y ) 
C_  U. J ) )  ->  ( ( F
" x )  =  ( F " ( `' F " y ) )  <->  x  =  ( `' F " y ) ) )
1911, 13, 17, 18syl12anc 1226 . . 3  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  ( ( F " x )  =  ( F " ( `' F " y ) )  <->  x  =  ( `' F " y ) ) )
20 f1ofo 5439 . . . . . . 7  |-  ( F : U. J -1-1-onto-> U. K  ->  F : U. J -onto-> U. K )
219, 20syl 14 . . . . . 6  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  F : U. J -onto-> U. K )
22 elssuni 3817 . . . . . . 7  |-  ( y  e.  K  ->  y  C_ 
U. K )
2322ad2antll 483 . . . . . 6  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  y  C_  U. K )
24 foimacnv 5450 . . . . . 6  |-  ( ( F : U. J -onto-> U. K  /\  y  C_ 
U. K )  -> 
( F " ( `' F " y ) )  =  y )
2521, 23, 24syl2anc 409 . . . . 5  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  ( F " ( `' F "
y ) )  =  y )
2625eqeq2d 2177 . . . 4  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  ( ( F " x )  =  ( F " ( `' F " y ) )  <->  ( F "
x )  =  y ) )
27 eqcom 2167 . . . 4  |-  ( ( F " x )  =  y  <->  y  =  ( F " x ) )
2826, 27bitrdi 195 . . 3  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  ( ( F " x )  =  ( F " ( `' F " y ) )  <->  y  =  ( F " x ) ) )
2919, 28bitr3d 189 . 2  |-  ( ( F  e.  ( J
Homeo K )  /\  (
x  e.  J  /\  y  e.  K )
)  ->  ( x  =  ( `' F " y )  <->  y  =  ( F " x ) ) )
301, 2, 5, 29f1o2d 6043 1  |-  ( F  e.  ( J Homeo K )  ->  G : J
-1-1-onto-> K )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    <-> wb 104    = wceq 1343    e. wcel 2136    C_ wss 3116   U.cuni 3789    |-> cmpt 4043   `'ccnv 4603   dom cdm 4604   "cima 4607   -1-1->wf1 5185   -onto->wfo 5186   -1-1-onto->wf1o 5187  (class class class)co 5842    Cn ccn 12825   Homeochmeo 12940
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-13 2138  ax-14 2139  ax-ext 2147  ax-sep 4100  ax-pow 4153  ax-pr 4187  ax-un 4411  ax-setind 4514
This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-fal 1349  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ne 2337  df-ral 2449  df-rex 2450  df-rab 2453  df-v 2728  df-sbc 2952  df-csb 3046  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-iun 3868  df-br 3983  df-opab 4044  df-mpt 4045  df-id 4271  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195  df-fv 5196  df-ov 5845  df-oprab 5846  df-mpo 5847  df-1st 6108  df-2nd 6109  df-map 6616  df-top 12636  df-topon 12649  df-cn 12828  df-hmeo 12941
This theorem is referenced by: (None)
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