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Theorem strsetsid 11692
Description: Value of the structure replacement function. (Contributed by AV, 14-Mar-2020.) (Revised by Jim Kingdon, 30-Jan-2023.)
Hypotheses
Ref Expression
strsetsid.e  |-  E  = Slot  ( E `  ndx )
strsetsid.s  |-  ( ph  ->  S Struct  <. M ,  N >. )
strsetsid.f  |-  ( ph  ->  Fun  S )
strsetsid.d  |-  ( ph  ->  ( E `  ndx )  e.  dom  S )
Assertion
Ref Expression
strsetsid  |-  ( ph  ->  S  =  ( S sSet  <. ( E `  ndx ) ,  ( E `  S ) >. )
)

Proof of Theorem strsetsid
Dummy variables  x  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 strsetsid.s . . . 4  |-  ( ph  ->  S Struct  <. M ,  N >. )
2 structex 11671 . . . 4  |-  ( S Struct  <. M ,  N >.  ->  S  e.  _V )
31, 2syl 14 . . 3  |-  ( ph  ->  S  e.  _V )
4 strsetsid.d . . 3  |-  ( ph  ->  ( E `  ndx )  e.  dom  S )
5 strsetsid.e . . . . 5  |-  E  = Slot  ( E `  ndx )
6 isstructim 11673 . . . . . . . . 9  |-  ( S Struct  <. M ,  N >.  -> 
( ( M  e.  NN  /\  N  e.  NN  /\  M  <_  N )  /\  Fun  ( S  \  { (/) } )  /\  dom  S  C_  ( M ... N
) ) )
71, 6syl 14 . . . . . . . 8  |-  ( ph  ->  ( ( M  e.  NN  /\  N  e.  NN  /\  M  <_  N )  /\  Fun  ( S  \  { (/) } )  /\  dom  S  C_  ( M ... N
) ) )
87simp3d 960 . . . . . . 7  |-  ( ph  ->  dom  S  C_  ( M ... N ) )
97simp1d 958 . . . . . . . . 9  |-  ( ph  ->  ( M  e.  NN  /\  N  e.  NN  /\  M  <_  N ) )
109simp1d 958 . . . . . . . 8  |-  ( ph  ->  M  e.  NN )
11 fzssnn 9631 . . . . . . . 8  |-  ( M  e.  NN  ->  ( M ... N )  C_  NN )
1210, 11syl 14 . . . . . . 7  |-  ( ph  ->  ( M ... N
)  C_  NN )
138, 12sstrd 3049 . . . . . 6  |-  ( ph  ->  dom  S  C_  NN )
1413, 4sseldd 3040 . . . . 5  |-  ( ph  ->  ( E `  ndx )  e.  NN )
155, 3, 14strnfvnd 11679 . . . 4  |-  ( ph  ->  ( E `  S
)  =  ( S `
 ( E `  ndx ) ) )
16 strsetsid.f . . . . 5  |-  ( ph  ->  Fun  S )
17 funfvex 5357 . . . . 5  |-  ( ( Fun  S  /\  ( E `  ndx )  e. 
dom  S )  -> 
( S `  ( E `  ndx ) )  e.  _V )
1816, 4, 17syl2anc 404 . . . 4  |-  ( ph  ->  ( S `  ( E `  ndx ) )  e.  _V )
1915, 18eqeltrd 2171 . . 3  |-  ( ph  ->  ( E `  S
)  e.  _V )
20 setsvala 11690 . . 3  |-  ( ( S  e.  _V  /\  ( E `  ndx )  e.  dom  S  /\  ( E `  S )  e.  _V )  ->  ( S sSet  <. ( E `  ndx ) ,  ( E `
 S ) >.
)  =  ( ( S  |`  ( _V  \  { ( E `  ndx ) } ) )  u.  { <. ( E `  ndx ) ,  ( E `  S
) >. } ) )
213, 4, 19, 20syl3anc 1181 . 2  |-  ( ph  ->  ( S sSet  <. ( E `  ndx ) ,  ( E `  S
) >. )  =  ( ( S  |`  ( _V  \  { ( E `
 ndx ) } ) )  u.  { <. ( E `  ndx ) ,  ( E `  S ) >. } ) )
2215opeq2d 3651 . . . 4  |-  ( ph  -> 
<. ( E `  ndx ) ,  ( E `  S ) >.  =  <. ( E `  ndx ) ,  ( S `  ( E `  ndx )
) >. )
2322sneqd 3479 . . 3  |-  ( ph  ->  { <. ( E `  ndx ) ,  ( E `
 S ) >. }  =  { <. ( E `  ndx ) ,  ( S `  ( E `  ndx ) )
>. } )
2423uneq2d 3169 . 2  |-  ( ph  ->  ( ( S  |`  ( _V  \  { ( E `  ndx ) } ) )  u. 
{ <. ( E `  ndx ) ,  ( E `
 S ) >. } )  =  ( ( S  |`  ( _V  \  { ( E `
 ndx ) } ) )  u.  { <. ( E `  ndx ) ,  ( S `  ( E `  ndx ) ) >. } ) )
25 nnssz 8865 . . . . 5  |-  NN  C_  ZZ
2613, 25syl6ss 3051 . . . 4  |-  ( ph  ->  dom  S  C_  ZZ )
27 zdceq 8920 . . . . 5  |-  ( ( x  e.  ZZ  /\  y  e.  ZZ )  -> DECID  x  =  y )
2827rgen2a 2440 . . . 4  |-  A. x  e.  ZZ  A. y  e.  ZZ DECID  x  =  y
29 ssralv 3100 . . . . . 6  |-  ( dom 
S  C_  ZZ  ->  ( A. y  e.  ZZ DECID  x  =  y  ->  A. y  e.  dom  SDECID  x  =  y ) )
3029ralimdv 2454 . . . . 5  |-  ( dom 
S  C_  ZZ  ->  ( A. x  e.  ZZ  A. y  e.  ZZ DECID  x  =  y  ->  A. x  e.  ZZ  A. y  e.  dom  SDECID  x  =  y ) )
31 ssralv 3100 . . . . 5  |-  ( dom 
S  C_  ZZ  ->  ( A. x  e.  ZZ  A. y  e.  dom  SDECID  x  =  y  ->  A. x  e.  dom  S A. y  e.  dom  SDECID  x  =  y ) )
3230, 31syld 45 . . . 4  |-  ( dom 
S  C_  ZZ  ->  ( A. x  e.  ZZ  A. y  e.  ZZ DECID  x  =  y  ->  A. x  e.  dom  S A. y  e.  dom  SDECID  x  =  y ) )
3326, 28, 32mpisyl 1387 . . 3  |-  ( ph  ->  A. x  e.  dom  S A. y  e.  dom  SDECID  x  =  y )
34 funresdfunsndc 6305 . . 3  |-  ( ( A. x  e.  dom  S A. y  e.  dom  SDECID  x  =  y  /\  Fun  S  /\  ( E `  ndx )  e.  dom  S )  ->  ( ( S  |`  ( _V  \  { ( E `  ndx ) } ) )  u.  { <. ( E `  ndx ) ,  ( S `  ( E `  ndx ) )
>. } )  =  S )
3533, 16, 4, 34syl3anc 1181 . 2  |-  ( ph  ->  ( ( S  |`  ( _V  \  { ( E `  ndx ) } ) )  u. 
{ <. ( E `  ndx ) ,  ( S `
 ( E `  ndx ) ) >. } )  =  S )
3621, 24, 353eqtrrd 2132 1  |-  ( ph  ->  S  =  ( S sSet  <. ( E `  ndx ) ,  ( E `  S ) >. )
)
Colors of variables: wff set class
Syntax hints:    -> wi 4  DECID wdc 783    /\ w3a 927    = wceq 1296    e. wcel 1445   A.wral 2370   _Vcvv 2633    \ cdif 3010    u. cun 3011    C_ wss 3013   (/)c0 3302   {csn 3466   <.cop 3469   class class class wbr 3867   dom cdm 4467    |` cres 4469   Fun wfun 5043   ` cfv 5049  (class class class)co 5690    <_ cle 7620   NNcn 8520   ZZcz 8848   ...cfz 9573   Struct cstr 11655   ndxcnx 11656   sSet csts 11657  Slot cslot 11658
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 582  ax-in2 583  ax-io 668  ax-5 1388  ax-7 1389  ax-gen 1390  ax-ie1 1434  ax-ie2 1435  ax-8 1447  ax-10 1448  ax-11 1449  ax-i12 1450  ax-bndl 1451  ax-4 1452  ax-13 1456  ax-14 1457  ax-17 1471  ax-i9 1475  ax-ial 1479  ax-i5r 1480  ax-ext 2077  ax-sep 3978  ax-pow 4030  ax-pr 4060  ax-un 4284  ax-setind 4381  ax-cnex 7533  ax-resscn 7534  ax-1cn 7535  ax-1re 7536  ax-icn 7537  ax-addcl 7538  ax-addrcl 7539  ax-mulcl 7540  ax-addcom 7542  ax-addass 7544  ax-distr 7546  ax-i2m1 7547  ax-0lt1 7548  ax-0id 7550  ax-rnegex 7551  ax-cnre 7553  ax-pre-ltirr 7554  ax-pre-ltwlin 7555  ax-pre-lttrn 7556  ax-pre-ltadd 7558
This theorem depends on definitions:  df-bi 116  df-dc 784  df-3or 928  df-3an 929  df-tru 1299  df-fal 1302  df-nf 1402  df-sb 1700  df-eu 1958  df-mo 1959  df-clab 2082  df-cleq 2088  df-clel 2091  df-nfc 2224  df-ne 2263  df-nel 2358  df-ral 2375  df-rex 2376  df-reu 2377  df-rab 2379  df-v 2635  df-sbc 2855  df-dif 3015  df-un 3017  df-in 3019  df-ss 3026  df-pw 3451  df-sn 3472  df-pr 3473  df-op 3475  df-uni 3676  df-int 3711  df-br 3868  df-opab 3922  df-mpt 3923  df-id 4144  df-xp 4473  df-rel 4474  df-cnv 4475  df-co 4476  df-dm 4477  df-rn 4478  df-res 4479  df-ima 4480  df-iota 5014  df-fun 5051  df-fn 5052  df-f 5053  df-f1 5054  df-fo 5055  df-f1o 5056  df-fv 5057  df-riota 5646  df-ov 5693  df-oprab 5694  df-mpt2 5695  df-pnf 7621  df-mnf 7622  df-xr 7623  df-ltxr 7624  df-le 7625  df-sub 7752  df-neg 7753  df-inn 8521  df-n0 8772  df-z 8849  df-uz 9119  df-fz 9574  df-struct 11661  df-slot 11663  df-sets 11666
This theorem is referenced by: (None)
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