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Theorem uhgreq12g 15930
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 15925 . . . 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 4933 . . . 4  |-  ( ( V  =  W  /\  E  =  F )  ->  dom  E  =  dom  F )
8 pweq 3655 . . . . . 6  |-  ( V  =  W  ->  ~P V  =  ~P W
)
98rabeqdv 2796 . . . . 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 5473 . . 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 15925 . . . . 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 1397   E.wex 1540    e. wcel 2202   {crab 2514   ~Pcpw 3652   dom cdm 4725   -->wf 5322   ` cfv 5326  Vtxcvtx 15866  iEdgciedg 15867  UHGraphcuhgr 15921
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-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-cnex 8123  ax-resscn 8124  ax-1cn 8125  ax-1re 8126  ax-icn 8127  ax-addcl 8128  ax-addrcl 8129  ax-mulcl 8130  ax-addcom 8132  ax-mulcom 8133  ax-addass 8134  ax-mulass 8135  ax-distr 8136  ax-i2m1 8137  ax-1rid 8139  ax-0id 8140  ax-rnegex 8141  ax-cnre 8143
This theorem depends on definitions:  df-bi 117  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-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-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-br 4089  df-opab 4151  df-mpt 4152  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-fo 5332  df-fv 5334  df-riota 5971  df-ov 6021  df-oprab 6022  df-mpo 6023  df-1st 6303  df-2nd 6304  df-sub 8352  df-inn 9144  df-2 9202  df-3 9203  df-4 9204  df-5 9205  df-6 9206  df-7 9207  df-8 9208  df-9 9209  df-n0 9403  df-dec 9612  df-ndx 13087  df-slot 13088  df-base 13090  df-edgf 15859  df-vtx 15868  df-iedg 15869  df-uhgrm 15923
This theorem is referenced by: (None)
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