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Theorem xmettxlem 13303
Description: Lemma for xmettx 13304. (Contributed by Jim Kingdon, 15-Oct-2023.)
Hypotheses
Ref Expression
xmetxp.p  |-  P  =  ( u  e.  ( X  X.  Y ) ,  v  e.  ( X  X.  Y ) 
|->  sup ( { ( ( 1st `  u
) M ( 1st `  v ) ) ,  ( ( 2nd `  u
) N ( 2nd `  v ) ) } ,  RR* ,  <  )
)
xmetxp.1  |-  ( ph  ->  M  e.  ( *Met `  X ) )
xmetxp.2  |-  ( ph  ->  N  e.  ( *Met `  Y ) )
xmettx.j  |-  J  =  ( MetOpen `  M )
xmettx.k  |-  K  =  ( MetOpen `  N )
xmettx.l  |-  L  =  ( MetOpen `  P )
Assertion
Ref Expression
xmettxlem  |-  ( ph  ->  L  C_  ( J  tX  K ) )
Distinct variable groups:    u, M, v   
u, N, v    u, X, v    u, Y, v
Allowed substitution hints:    ph( v, u)    P( v, u)    J( v, u)    K( v, u)    L( v, u)

Proof of Theorem xmettxlem
Dummy variables  p  r  s  w  z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 xmetxp.p . . . . . . . . 9  |-  P  =  ( u  e.  ( X  X.  Y ) ,  v  e.  ( X  X.  Y ) 
|->  sup ( { ( ( 1st `  u
) M ( 1st `  v ) ) ,  ( ( 2nd `  u
) N ( 2nd `  v ) ) } ,  RR* ,  <  )
)
2 xmetxp.1 . . . . . . . . 9  |-  ( ph  ->  M  e.  ( *Met `  X ) )
3 xmetxp.2 . . . . . . . . 9  |-  ( ph  ->  N  e.  ( *Met `  Y ) )
41, 2, 3xmetxp 13301 . . . . . . . 8  |-  ( ph  ->  P  e.  ( *Met `  ( X  X.  Y ) ) )
5 blrn 13206 . . . . . . . 8  |-  ( P  e.  ( *Met `  ( X  X.  Y
) )  ->  (
w  e.  ran  ( ball `  P )  <->  E. z  e.  ( X  X.  Y
) E. p  e. 
RR*  w  =  ( z ( ball `  P
) p ) ) )
64, 5syl 14 . . . . . . 7  |-  ( ph  ->  ( w  e.  ran  ( ball `  P )  <->  E. z  e.  ( X  X.  Y ) E. p  e.  RR*  w  =  ( z (
ball `  P )
p ) ) )
76biimpa 294 . . . . . 6  |-  ( (
ph  /\  w  e.  ran  ( ball `  P
) )  ->  E. z  e.  ( X  X.  Y
) E. p  e. 
RR*  w  =  ( z ( ball `  P
) p ) )
8 xmettx.j . . . . . . . . . . . . . . 15  |-  J  =  ( MetOpen `  M )
98mopntop 13238 . . . . . . . . . . . . . 14  |-  ( M  e.  ( *Met `  X )  ->  J  e.  Top )
102, 9syl 14 . . . . . . . . . . . . 13  |-  ( ph  ->  J  e.  Top )
11 xmettx.k . . . . . . . . . . . . . . 15  |-  K  =  ( MetOpen `  N )
1211mopntop 13238 . . . . . . . . . . . . . 14  |-  ( N  e.  ( *Met `  Y )  ->  K  e.  Top )
133, 12syl 14 . . . . . . . . . . . . 13  |-  ( ph  ->  K  e.  Top )
14 mpoexga 6191 . . . . . . . . . . . . 13  |-  ( ( J  e.  Top  /\  K  e.  Top )  ->  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  e.  _V )
1510, 13, 14syl2anc 409 . . . . . . . . . . . 12  |-  ( ph  ->  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  e.  _V )
16 rnexg 4876 . . . . . . . . . . . 12  |-  ( ( r  e.  J , 
s  e.  K  |->  ( r  X.  s ) )  e.  _V  ->  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  e.  _V )
1715, 16syl 14 . . . . . . . . . . 11  |-  ( ph  ->  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) )  e. 
_V )
1817ad3antrrr 489 . . . . . . . . . 10  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  e.  _V )
19 bastg 12855 . . . . . . . . . 10  |-  ( ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  e.  _V  ->  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) )  C_  ( topGen `  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
2018, 19syl 14 . . . . . . . . 9  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  C_  ( topGen `
 ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
212ad3antrrr 489 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  M  e.  ( *Met `  X ) )
22 simplrl 530 . . . . . . . . . . . . 13  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  -> 
z  e.  ( X  X.  Y ) )
23 xp1st 6144 . . . . . . . . . . . . 13  |-  ( z  e.  ( X  X.  Y )  ->  ( 1st `  z )  e.  X )
2422, 23syl 14 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  -> 
( 1st `  z
)  e.  X )
25 simplrr 531 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  p  e.  RR* )
268blopn 13284 . . . . . . . . . . . 12  |-  ( ( M  e.  ( *Met `  X )  /\  ( 1st `  z
)  e.  X  /\  p  e.  RR* )  -> 
( ( 1st `  z
) ( ball `  M
) p )  e.  J )
2721, 24, 25, 26syl3anc 1233 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  -> 
( ( 1st `  z
) ( ball `  M
) p )  e.  J )
283ad3antrrr 489 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  N  e.  ( *Met `  Y ) )
29 xp2nd 6145 . . . . . . . . . . . . 13  |-  ( z  e.  ( X  X.  Y )  ->  ( 2nd `  z )  e.  Y )
3022, 29syl 14 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  -> 
( 2nd `  z
)  e.  Y )
3111blopn 13284 . . . . . . . . . . . 12  |-  ( ( N  e.  ( *Met `  Y )  /\  ( 2nd `  z
)  e.  Y  /\  p  e.  RR* )  -> 
( ( 2nd `  z
) ( ball `  N
) p )  e.  K )
3228, 30, 25, 31syl3anc 1233 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  -> 
( ( 2nd `  z
) ( ball `  N
) p )  e.  K )
33 simpr 109 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  w  =  ( z
( ball `  P )
p ) )
341, 21, 28, 25, 22xmetxpbl 13302 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  -> 
( z ( ball `  P ) p )  =  ( ( ( 1st `  z ) ( ball `  M
) p )  X.  ( ( 2nd `  z
) ( ball `  N
) p ) ) )
3533, 34eqtrd 2203 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  w  =  ( (
( 1st `  z
) ( ball `  M
) p )  X.  ( ( 2nd `  z
) ( ball `  N
) p ) ) )
36 xpeq1 4625 . . . . . . . . . . . . 13  |-  ( r  =  ( ( 1st `  z ) ( ball `  M ) p )  ->  ( r  X.  s )  =  ( ( ( 1st `  z
) ( ball `  M
) p )  X.  s ) )
3736eqeq2d 2182 . . . . . . . . . . . 12  |-  ( r  =  ( ( 1st `  z ) ( ball `  M ) p )  ->  ( w  =  ( r  X.  s
)  <->  w  =  (
( ( 1st `  z
) ( ball `  M
) p )  X.  s ) ) )
38 xpeq2 4626 . . . . . . . . . . . . 13  |-  ( s  =  ( ( 2nd `  z ) ( ball `  N ) p )  ->  ( ( ( 1st `  z ) ( ball `  M
) p )  X.  s )  =  ( ( ( 1st `  z
) ( ball `  M
) p )  X.  ( ( 2nd `  z
) ( ball `  N
) p ) ) )
3938eqeq2d 2182 . . . . . . . . . . . 12  |-  ( s  =  ( ( 2nd `  z ) ( ball `  N ) p )  ->  ( w  =  ( ( ( 1st `  z ) ( ball `  M ) p )  X.  s )  <->  w  =  ( ( ( 1st `  z ) ( ball `  M ) p )  X.  ( ( 2nd `  z ) ( ball `  N ) p ) ) ) )
4037, 39rspc2ev 2849 . . . . . . . . . . 11  |-  ( ( ( ( 1st `  z
) ( ball `  M
) p )  e.  J  /\  ( ( 2nd `  z ) ( ball `  N
) p )  e.  K  /\  w  =  ( ( ( 1st `  z ) ( ball `  M ) p )  X.  ( ( 2nd `  z ) ( ball `  N ) p ) ) )  ->  E. r  e.  J  E. s  e.  K  w  =  ( r  X.  s
) )
4127, 32, 35, 40syl3anc 1233 . . . . . . . . . 10  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  E. r  e.  J  E. s  e.  K  w  =  ( r  X.  s ) )
42 eqid 2170 . . . . . . . . . . . 12  |-  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) )  =  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) )
4342elrnmpog 5965 . . . . . . . . . . 11  |-  ( w  e.  _V  ->  (
w  e.  ran  (
r  e.  J , 
s  e.  K  |->  ( r  X.  s ) )  <->  E. r  e.  J  E. s  e.  K  w  =  ( r  X.  s ) ) )
4443elv 2734 . . . . . . . . . 10  |-  ( w  e.  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) )  <->  E. r  e.  J  E. s  e.  K  w  =  ( r  X.  s ) )
4541, 44sylibr 133 . . . . . . . . 9  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  w  e.  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) )
4620, 45sseldd 3148 . . . . . . . 8  |-  ( ( ( ( ph  /\  w  e.  ran  ( ball `  P ) )  /\  ( z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  /\  w  =  ( z (
ball `  P )
p ) )  ->  w  e.  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
4746ex 114 . . . . . . 7  |-  ( ( ( ph  /\  w  e.  ran  ( ball `  P
) )  /\  (
z  e.  ( X  X.  Y )  /\  p  e.  RR* ) )  ->  ( w  =  ( z ( ball `  P ) p )  ->  w  e.  (
topGen `  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) ) )
4847rexlimdvva 2595 . . . . . 6  |-  ( (
ph  /\  w  e.  ran  ( ball `  P
) )  ->  ( E. z  e.  ( X  X.  Y ) E. p  e.  RR*  w  =  ( z (
ball `  P )
p )  ->  w  e.  ( topGen `  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) ) )
497, 48mpd 13 . . . . 5  |-  ( (
ph  /\  w  e.  ran  ( ball `  P
) )  ->  w  e.  ( topGen `  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
5049ex 114 . . . 4  |-  ( ph  ->  ( w  e.  ran  ( ball `  P )  ->  w  e.  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) ) )
5150ssrdv 3153 . . 3  |-  ( ph  ->  ran  ( ball `  P
)  C_  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
52 blex 13181 . . . . 5  |-  ( P  e.  ( *Met `  ( X  X.  Y
) )  ->  ( ball `  P )  e. 
_V )
53 rnexg 4876 . . . . 5  |-  ( (
ball `  P )  e.  _V  ->  ran  ( ball `  P )  e.  _V )
544, 52, 533syl 17 . . . 4  |-  ( ph  ->  ran  ( ball `  P
)  e.  _V )
55 tgss3 12872 . . . 4  |-  ( ( ran  ( ball `  P
)  e.  _V  /\  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s
) )  e.  _V )  ->  ( ( topGen ` 
ran  ( ball `  P
) )  C_  ( topGen `
 ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) )  <->  ran  ( ball `  P
)  C_  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) ) )
5654, 17, 55syl2anc 409 . . 3  |-  ( ph  ->  ( ( topGen `  ran  ( ball `  P )
)  C_  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) )  <->  ran  ( ball `  P
)  C_  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) ) )
5751, 56mpbird 166 . 2  |-  ( ph  ->  ( topGen `  ran  ( ball `  P ) )  C_  ( topGen `  ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
58 xmettx.l . . . 4  |-  L  =  ( MetOpen `  P )
5958mopnval 13236 . . 3  |-  ( P  e.  ( *Met `  ( X  X.  Y
) )  ->  L  =  ( topGen `  ran  ( ball `  P )
) )
604, 59syl 14 . 2  |-  ( ph  ->  L  =  ( topGen ` 
ran  ( ball `  P
) ) )
61 eqid 2170 . . . 4  |-  ran  (
r  e.  J , 
s  e.  K  |->  ( r  X.  s ) )  =  ran  (
r  e.  J , 
s  e.  K  |->  ( r  X.  s ) )
6261txval 13049 . . 3  |-  ( ( J  e.  Top  /\  K  e.  Top )  ->  ( J  tX  K
)  =  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
6310, 13, 62syl2anc 409 . 2  |-  ( ph  ->  ( J  tX  K
)  =  ( topGen ` 
ran  ( r  e.  J ,  s  e.  K  |->  ( r  X.  s ) ) ) )
6457, 60, 633sstr4d 3192 1  |-  ( ph  ->  L  C_  ( J  tX  K ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    <-> wb 104    = wceq 1348    e. wcel 2141   E.wrex 2449   _Vcvv 2730    C_ wss 3121   {cpr 3584    X. cxp 4609   ran crn 4612   ` cfv 5198  (class class class)co 5853    e. cmpo 5855   1stc1st 6117   2ndc2nd 6118   supcsup 6959   RR*cxr 7953    < clt 7954   topGenctg 12594   *Metcxmet 12774   ballcbl 12776   MetOpencmopn 12779   Topctop 12789    tX ctx 13046
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 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-coll 4104  ax-sep 4107  ax-nul 4115  ax-pow 4160  ax-pr 4194  ax-un 4418  ax-setind 4521  ax-iinf 4572  ax-cnex 7865  ax-resscn 7866  ax-1cn 7867  ax-1re 7868  ax-icn 7869  ax-addcl 7870  ax-addrcl 7871  ax-mulcl 7872  ax-mulrcl 7873  ax-addcom 7874  ax-mulcom 7875  ax-addass 7876  ax-mulass 7877  ax-distr 7878  ax-i2m1 7879  ax-0lt1 7880  ax-1rid 7881  ax-0id 7882  ax-rnegex 7883  ax-precex 7884  ax-cnre 7885  ax-pre-ltirr 7886  ax-pre-ltwlin 7887  ax-pre-lttrn 7888  ax-pre-apti 7889  ax-pre-ltadd 7890  ax-pre-mulgt0 7891  ax-pre-mulext 7892  ax-arch 7893  ax-caucvg 7894
This theorem depends on definitions:  df-bi 116  df-stab 826  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-nel 2436  df-ral 2453  df-rex 2454  df-reu 2455  df-rmo 2456  df-rab 2457  df-v 2732  df-sbc 2956  df-csb 3050  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-nul 3415  df-if 3527  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-iun 3875  df-br 3990  df-opab 4051  df-mpt 4052  df-tr 4088  df-id 4278  df-po 4281  df-iso 4282  df-iord 4351  df-on 4353  df-ilim 4354  df-suc 4356  df-iom 4575  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-isom 5207  df-riota 5809  df-ov 5856  df-oprab 5857  df-mpo 5858  df-1st 6119  df-2nd 6120  df-recs 6284  df-frec 6370  df-map 6628  df-sup 6961  df-inf 6962  df-pnf 7956  df-mnf 7957  df-xr 7958  df-ltxr 7959  df-le 7960  df-sub 8092  df-neg 8093  df-reap 8494  df-ap 8501  df-div 8590  df-inn 8879  df-2 8937  df-3 8938  df-4 8939  df-n0 9136  df-z 9213  df-uz 9488  df-q 9579  df-rp 9611  df-xneg 9729  df-xadd 9730  df-seqfrec 10402  df-exp 10476  df-cj 10806  df-re 10807  df-im 10808  df-rsqrt 10962  df-abs 10963  df-topgen 12600  df-psmet 12781  df-xmet 12782  df-bl 12784  df-mopn 12785  df-top 12790  df-topon 12803  df-bases 12835  df-tx 13047
This theorem is referenced by:  xmettx  13304
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