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Theorem umgrupgr 16219
Description: An undirected multigraph is an undirected pseudograph. (Contributed by AV, 25-Nov-2020.)
Assertion
Ref Expression
umgrupgr  |-  ( G  e. UMGraph  ->  G  e. UPGraph )

Proof of Theorem umgrupgr
Dummy variable  x is distinct from all other variables.
StepHypRef Expression
1 eqid 2234 . . . 4  |-  (Vtx `  G )  =  (Vtx
`  G )
2 eqid 2234 . . . 4  |-  (iEdg `  G )  =  (iEdg `  G )
31, 2umgrfen 16214 . . 3  |-  ( G  e. UMGraph  ->  (iEdg `  G
) : dom  (iEdg `  G ) --> { x  e.  ~P (Vtx `  G
)  |  x  ~~  2o } )
4 olc 719 . . . . . 6  |-  ( x 
~~  2o  ->  ( x 
~~  1o  \/  x  ~~  2o ) )
54a1i 9 . . . . 5  |-  ( x  e.  ~P (Vtx `  G )  ->  (
x  ~~  2o  ->  ( x  ~~  1o  \/  x  ~~  2o ) ) )
65ss2rabi 3324 . . . 4  |-  { x  e.  ~P (Vtx `  G
)  |  x  ~~  2o }  C_  { x  e.  ~P (Vtx `  G
)  |  ( x 
~~  1o  \/  x  ~~  2o ) }
76a1i 9 . . 3  |-  ( G  e. UMGraph  ->  { x  e. 
~P (Vtx `  G
)  |  x  ~~  2o }  C_  { x  e.  ~P (Vtx `  G
)  |  ( x 
~~  1o  \/  x  ~~  2o ) } )
83, 7fssd 5527 . 2  |-  ( G  e. UMGraph  ->  (iEdg `  G
) : dom  (iEdg `  G ) --> { x  e.  ~P (Vtx `  G
)  |  ( x 
~~  1o  \/  x  ~~  2o ) } )
91, 2isupgren 16202 . 2  |-  ( G  e. UMGraph  ->  ( G  e. UPGraph  <->  (iEdg `  G ) : dom  (iEdg `  G ) --> { x  e.  ~P (Vtx `  G )  |  ( x  ~~  1o  \/  x  ~~  2o ) } ) )
108, 9mpbird 167 1  |-  ( G  e. UMGraph  ->  G  e. UPGraph )
Colors of variables: wff set class
Syntax hints:    -> wi 4    \/ wo 716    e. wcel 2205   {crab 2526    C_ wss 3214   ~Pcpw 3674   class class class wbr 4114   dom cdm 4754   -->wf 5353   ` cfv 5357   1oc1o 6653   2oc2o 6654    ~~ cen 6986  Vtxcvtx 16119  iEdgciedg 16120  UPGraphcupgr 16198  UMGraphcumgr 16199
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 4233  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-mulcom 8244  ax-addass 8245  ax-mulass 8246  ax-distr 8247  ax-i2m1 8248  ax-1rid 8250  ax-0id 8251  ax-rnegex 8252  ax-cnre 8254
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 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-if 3625  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-br 4115  df-opab 4177  df-mpt 4178  df-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-fo 5363  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-1st 6347  df-2nd 6348  df-sub 8462  df-inn 9255  df-2 9313  df-3 9314  df-4 9315  df-5 9316  df-6 9317  df-7 9318  df-8 9319  df-9 9320  df-n0 9514  df-dec 9728  df-ndx 13299  df-slot 13300  df-base 13302  df-edgf 16112  df-vtx 16121  df-iedg 16122  df-upgren 16200  df-umgren 16201
This theorem is referenced by:  umgruhgr  16220  upgr0e  16226  umgrislfupgrdom  16238  vtxdumgrfival  16405  umgrwlknloop  16475  eupth2lem3lem4fi  16580  eupth2lem3lem7fi  16581  eupth2lem3fi  16583  konigsberglem5  16599
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