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Theorem upgrwlkvtxedg 16214
Description: The pairs of connected vertices of a walk are edges in a pseudograph. (Contributed by Alexander van der Vekens, 22-Jul-2018.) (Revised by AV, 2-Jan-2021.)
Hypothesis
Ref Expression
wlkvtxedg.e  |-  E  =  (Edg `  G )
Assertion
Ref Expression
upgrwlkvtxedg  |-  ( ( G  e. UPGraph  /\  F (Walks `  G ) P )  ->  A. k  e.  ( 0..^ ( `  F
) ) { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  e.  E )
Distinct variable groups:    k, F    k, G    P, k
Allowed substitution hint:    E( k)

Proof of Theorem upgrwlkvtxedg
StepHypRef Expression
1 eqid 2231 . . . . 5  |-  (Vtx `  G )  =  (Vtx
`  G )
2 eqid 2231 . . . . 5  |-  (iEdg `  G )  =  (iEdg `  G )
31, 2upgriswlkdc 16210 . . . 4  |-  ( G  e. UPGraph  ->  ( F (Walks `  G ) P  <->  ( F  e. Word  dom  (iEdg `  G
)  /\  P :
( 0 ... ( `  F ) ) --> (Vtx
`  G )  /\  A. k  e.  ( 0..^ ( `  F )
) (DECID  ( P `  k
)  =  ( P `
 ( k  +  1 ) )  /\  ( (iEdg `  G ) `  ( F `  k
) )  =  {
( P `  k
) ,  ( P `
 ( k  +  1 ) ) } ) ) ) )
4 simpr 110 . . . . . 6  |-  ( (DECID  ( P `  k )  =  ( P `  ( k  +  1 ) )  /\  (
(iEdg `  G ) `  ( F `  k
) )  =  {
( P `  k
) ,  ( P `
 ( k  +  1 ) ) } )  ->  ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } )
54ralimi 2595 . . . . 5  |-  ( A. k  e.  ( 0..^ ( `  F )
) (DECID  ( P `  k
)  =  ( P `
 ( k  +  1 ) )  /\  ( (iEdg `  G ) `  ( F `  k
) )  =  {
( P `  k
) ,  ( P `
 ( k  +  1 ) ) } )  ->  A. k  e.  ( 0..^ ( `  F
) ) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } )
653anim3i 1213 . . . 4  |-  ( ( F  e. Word  dom  (iEdg `  G )  /\  P : ( 0 ... ( `  F )
) --> (Vtx `  G
)  /\  A. k  e.  ( 0..^ ( `  F
) ) (DECID  ( P `
 k )  =  ( P `  (
k  +  1 ) )  /\  ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } ) )  ->  ( F  e. Word  dom  (iEdg `  G
)  /\  P :
( 0 ... ( `  F ) ) --> (Vtx
`  G )  /\  A. k  e.  ( 0..^ ( `  F )
) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } ) )
73, 6biimtrdi 163 . . 3  |-  ( G  e. UPGraph  ->  ( F (Walks `  G ) P  -> 
( F  e. Word  dom  (iEdg `  G )  /\  P : ( 0 ... ( `  F )
) --> (Vtx `  G
)  /\  A. k  e.  ( 0..^ ( `  F
) ) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } ) ) )
8 wlkvtxedg.e . . . . . . . . . . 11  |-  E  =  (Edg `  G )
92, 8upgredginwlk 16206 . . . . . . . . . 10  |-  ( ( G  e. UPGraph  /\  F  e. Word  dom  (iEdg `  G )
)  ->  ( k  e.  ( 0..^ ( `  F
) )  ->  (
(iEdg `  G ) `  ( F `  k
) )  e.  E
) )
109ancoms 268 . . . . . . . . 9  |-  ( ( F  e. Word  dom  (iEdg `  G )  /\  G  e. UPGraph )  ->  ( k  e.  ( 0..^ ( `  F
) )  ->  (
(iEdg `  G ) `  ( F `  k
) )  e.  E
) )
1110imp 124 . . . . . . . 8  |-  ( ( ( F  e. Word  dom  (iEdg `  G )  /\  G  e. UPGraph )  /\  k  e.  ( 0..^ ( `  F
) ) )  -> 
( (iEdg `  G
) `  ( F `  k ) )  e.  E )
12 eleq1 2294 . . . . . . . . 9  |-  ( { ( P `  k
) ,  ( P `
 ( k  +  1 ) ) }  =  ( (iEdg `  G ) `  ( F `  k )
)  ->  ( {
( P `  k
) ,  ( P `
 ( k  +  1 ) ) }  e.  E  <->  ( (iEdg `  G ) `  ( F `  k )
)  e.  E ) )
1312eqcoms 2234 . . . . . . . 8  |-  ( ( (iEdg `  G ) `  ( F `  k
) )  =  {
( P `  k
) ,  ( P `
 ( k  +  1 ) ) }  ->  ( { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  e.  E 
<->  ( (iEdg `  G
) `  ( F `  k ) )  e.  E ) )
1411, 13syl5ibrcom 157 . . . . . . 7  |-  ( ( ( F  e. Word  dom  (iEdg `  G )  /\  G  e. UPGraph )  /\  k  e.  ( 0..^ ( `  F
) ) )  -> 
( ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  ->  { ( P `  k
) ,  ( P `
 ( k  +  1 ) ) }  e.  E ) )
1514ralimdva 2599 . . . . . 6  |-  ( ( F  e. Word  dom  (iEdg `  G )  /\  G  e. UPGraph )  ->  ( A. k  e.  ( 0..^ ( `  F )
) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  ->  A. k  e.  ( 0..^ ( `  F )
) { ( P `
 k ) ,  ( P `  (
k  +  1 ) ) }  e.  E
) )
1615impancom 260 . . . . 5  |-  ( ( F  e. Word  dom  (iEdg `  G )  /\  A. k  e.  ( 0..^ ( `  F )
) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } )  ->  ( G  e. UPGraph  ->  A. k  e.  ( 0..^ ( `  F
) ) { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  e.  E ) )
17163adant2 1042 . . . 4  |-  ( ( F  e. Word  dom  (iEdg `  G )  /\  P : ( 0 ... ( `  F )
) --> (Vtx `  G
)  /\  A. k  e.  ( 0..^ ( `  F
) ) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } )  ->  ( G  e. UPGraph  ->  A. k  e.  ( 0..^ ( `  F
) ) { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  e.  E ) )
1817com12 30 . . 3  |-  ( G  e. UPGraph  ->  ( ( F  e. Word  dom  (iEdg `  G
)  /\  P :
( 0 ... ( `  F ) ) --> (Vtx
`  G )  /\  A. k  e.  ( 0..^ ( `  F )
) ( (iEdg `  G ) `  ( F `  k )
)  =  { ( P `  k ) ,  ( P `  ( k  +  1 ) ) } )  ->  A. k  e.  ( 0..^ ( `  F
) ) { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  e.  E ) )
197, 18syld 45 . 2  |-  ( G  e. UPGraph  ->  ( F (Walks `  G ) P  ->  A. k  e.  (
0..^ ( `  F )
) { ( P `
 k ) ,  ( P `  (
k  +  1 ) ) }  e.  E
) )
2019imp 124 1  |-  ( ( G  e. UPGraph  /\  F (Walks `  G ) P )  ->  A. k  e.  ( 0..^ ( `  F
) ) { ( P `  k ) ,  ( P `  ( k  +  1 ) ) }  e.  E )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105  DECID wdc 841    /\ w3a 1004    = wceq 1397    e. wcel 2202   A.wral 2510   {cpr 3670   class class class wbr 4088   dom cdm 4725   -->wf 5322   ` cfv 5326  (class class class)co 6017   0cc0 8031   1c1 8032    + caddc 8034   ...cfz 10242  ..^cfzo 10376  ♯chash 11036  Word cword 11112  Vtxcvtx 15862  iEdgciedg 15863  Edgcedg 15907  UPGraphcupgr 15941  Walkscwlks 16167
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-iinf 4686  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-addcom 8131  ax-mulcom 8132  ax-addass 8133  ax-mulass 8134  ax-distr 8135  ax-i2m1 8136  ax-0lt1 8137  ax-1rid 8138  ax-0id 8139  ax-rnegex 8140  ax-cnre 8142  ax-pre-ltirr 8143  ax-pre-ltwlin 8144  ax-pre-lttrn 8145  ax-pre-apti 8146  ax-pre-ltadd 8147
This theorem depends on definitions:  df-bi 117  df-dc 842  df-ifp 986  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-reu 2517  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-iord 4463  df-on 4465  df-ilim 4466  df-suc 4468  df-iom 4689  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-riota 5970  df-ov 6020  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303  df-recs 6470  df-frec 6556  df-1o 6581  df-2o 6582  df-er 6701  df-map 6818  df-en 6909  df-dom 6910  df-fin 6911  df-pnf 8215  df-mnf 8216  df-xr 8217  df-ltxr 8218  df-le 8219  df-sub 8351  df-neg 8352  df-inn 9143  df-2 9201  df-3 9202  df-4 9203  df-5 9204  df-6 9205  df-7 9206  df-8 9207  df-9 9208  df-n0 9402  df-z 9479  df-dec 9611  df-uz 9755  df-fz 10243  df-fzo 10377  df-ihash 11037  df-word 11113  df-ndx 13084  df-slot 13085  df-base 13087  df-edgf 15855  df-vtx 15864  df-iedg 15865  df-edg 15908  df-uhgrm 15919  df-upgren 15943  df-wlks 16168
This theorem is referenced by:  umgrwlknloop  16218
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