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Theorem uhgreq12g 16120
Description: If two sets have the same vertices and the same edges, one set is a hypergraph iff the other set is a hypergraph. (Contributed by Alexander van der Vekens, 26-Dec-2017.) (Revised by AV, 18-Jan-2020.)
Hypotheses
Ref Expression
uhgrf.v  |-  V  =  (Vtx `  G )
uhgrf.e  |-  E  =  (iEdg `  G )
uhgreq12g.w  |-  W  =  (Vtx `  H )
uhgreq12g.f  |-  F  =  (iEdg `  H )
Assertion
Ref Expression
uhgreq12g  |-  ( ( ( G  e.  X  /\  H  e.  Y
)  /\  ( V  =  W  /\  E  =  F ) )  -> 
( G  e. UHGraph  <->  H  e. UHGraph ) )

Proof of Theorem uhgreq12g
Dummy variables  s  j are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 uhgrf.v . . . . 5  |-  V  =  (Vtx `  G )
2 uhgrf.e . . . . 5  |-  E  =  (iEdg `  G )
31, 2isuhgrm 16115 . . . 4  |-  ( G  e.  X  ->  ( G  e. UHGraph  <->  E : dom  E --> { s  e.  ~P V  |  E. j 
j  e.  s } ) )
43adantr 276 . . 3  |-  ( ( G  e.  X  /\  H  e.  Y )  ->  ( G  e. UHGraph  <->  E : dom  E --> { s  e. 
~P V  |  E. j  j  e.  s } ) )
54adantr 276 . 2  |-  ( ( ( G  e.  X  /\  H  e.  Y
)  /\  ( V  =  W  /\  E  =  F ) )  -> 
( G  e. UHGraph  <->  E : dom  E --> { s  e. 
~P V  |  E. j  j  e.  s } ) )
6 simpr 110 . . . 4  |-  ( ( V  =  W  /\  E  =  F )  ->  E  =  F )
76dmeqd 4960 . . . 4  |-  ( ( V  =  W  /\  E  =  F )  ->  dom  E  =  dom  F )
8 pweq 3674 . . . . . 6  |-  ( V  =  W  ->  ~P V  =  ~P W
)
98rabeqdv 2809 . . . . 5  |-  ( V  =  W  ->  { s  e.  ~P V  |  E. j  j  e.  s }  =  {
s  e.  ~P W  |  E. j  j  e.  s } )
109adantr 276 . . . 4  |-  ( ( V  =  W  /\  E  =  F )  ->  { s  e.  ~P V  |  E. j 
j  e.  s }  =  { s  e. 
~P W  |  E. j  j  e.  s } )
116, 7, 10feq123d 5501 . . 3  |-  ( ( V  =  W  /\  E  =  F )  ->  ( E : dom  E --> { s  e.  ~P V  |  E. j 
j  e.  s }  <-> 
F : dom  F --> { s  e.  ~P W  |  E. j 
j  e.  s } ) )
12 uhgreq12g.w . . . . . 6  |-  W  =  (Vtx `  H )
13 uhgreq12g.f . . . . . 6  |-  F  =  (iEdg `  H )
1412, 13isuhgrm 16115 . . . . 5  |-  ( H  e.  Y  ->  ( H  e. UHGraph  <->  F : dom  F --> { s  e.  ~P W  |  E. j 
j  e.  s } ) )
1514adantl 277 . . . 4  |-  ( ( G  e.  X  /\  H  e.  Y )  ->  ( H  e. UHGraph  <->  F : dom  F --> { s  e. 
~P W  |  E. j  j  e.  s } ) )
1615bicomd 141 . . 3  |-  ( ( G  e.  X  /\  H  e.  Y )  ->  ( F : dom  F --> { s  e.  ~P W  |  E. j 
j  e.  s }  <-> 
H  e. UHGraph ) )
1711, 16sylan9bbr 463 . 2  |-  ( ( ( G  e.  X  /\  H  e.  Y
)  /\  ( V  =  W  /\  E  =  F ) )  -> 
( E : dom  E --> { s  e.  ~P V  |  E. j 
j  e.  s }  <-> 
H  e. UHGraph ) )
185, 17bitrd 188 1  |-  ( ( ( G  e.  X  /\  H  e.  Y
)  /\  ( V  =  W  /\  E  =  F ) )  -> 
( G  e. UHGraph  <->  H  e. UHGraph ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1398   E.wex 1541    e. wcel 2205   {crab 2526   ~Pcpw 3671   dom cdm 4751   -->wf 5350   ` cfv 5354  Vtxcvtx 16056  iEdgciedg 16057  UHGraphcuhgr 16111
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4230  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-setind 4661  ax-cnex 8223  ax-resscn 8224  ax-1cn 8225  ax-1re 8226  ax-icn 8227  ax-addcl 8228  ax-addrcl 8229  ax-mulcl 8230  ax-addcom 8232  ax-mulcom 8233  ax-addass 8234  ax-mulass 8235  ax-distr 8236  ax-i2m1 8237  ax-1rid 8239  ax-0id 8240  ax-rnegex 8241  ax-cnre 8243
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3045  df-csb 3141  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-if 3623  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-br 4112  df-opab 4174  df-mpt 4175  df-id 4416  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-res 4763  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-fo 5360  df-fv 5362  df-riota 6005  df-ov 6055  df-oprab 6056  df-mpo 6057  df-1st 6336  df-2nd 6337  df-sub 8451  df-inn 9243  df-2 9301  df-3 9302  df-4 9303  df-5 9304  df-6 9305  df-7 9306  df-8 9307  df-9 9308  df-n0 9502  df-dec 9716  df-ndx 13236  df-slot 13237  df-base 13239  df-edgf 16049  df-vtx 16058  df-iedg 16059  df-uhgrm 16113
This theorem is referenced by: (None)
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