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Theorem subupgr 16514
Description: A subgraph of a pseudograph is a pseudograph. (Contributed by AV, 16-Nov-2020.) (Proof shortened by AV, 21-Nov-2020.)
Assertion
Ref Expression
subupgr  |-  ( ( G  e. UPGraph  /\  S SubGraph  G )  ->  S  e. UPGraph )

Proof of Theorem subupgr
Dummy variables  x  j  s  e are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2238 . . . 4  |-  (Vtx `  S )  =  (Vtx
`  S )
2 eqid 2238 . . . 4  |-  (Vtx `  G )  =  (Vtx
`  G )
3 eqid 2238 . . . 4  |-  (iEdg `  S )  =  (iEdg `  S )
4 eqid 2238 . . . 4  |-  (iEdg `  G )  =  (iEdg `  G )
5 eqid 2238 . . . 4  |-  (Edg `  S )  =  (Edg
`  S )
61, 2, 3, 4, 5subgrprop2 16501 . . 3  |-  ( S SubGraph  G  ->  ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) ) )
7 upgruhgr 16352 . . . . . . . . . . 11  |-  ( G  e. UPGraph  ->  G  e. UHGraph )
8 subgruhgrfun 16509 . . . . . . . . . . 11  |-  ( ( G  e. UHGraph  /\  S SubGraph  G )  ->  Fun  (iEdg `  S
) )
97, 8sylan 283 . . . . . . . . . 10  |-  ( ( G  e. UPGraph  /\  S SubGraph  G )  ->  Fun  (iEdg `  S
) )
109ancoms 268 . . . . . . . . 9  |-  ( ( S SubGraph  G  /\  G  e. UPGraph )  ->  Fun  (iEdg `  S
) )
1110funfnd 5408 . . . . . . . 8  |-  ( ( S SubGraph  G  /\  G  e. UPGraph )  ->  (iEdg `  S
)  Fn  dom  (iEdg `  S ) )
1211adantl 277 . . . . . . 7  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  (iEdg `  S )  Fn  dom  (iEdg `  S ) )
13 breq1 4133 . . . . . . . . . . 11  |-  ( e  =  ( (iEdg `  S ) `  x
)  ->  ( e  ~~  1o  <->  ( (iEdg `  S ) `  x
)  ~~  1o )
)
14 breq1 4133 . . . . . . . . . . 11  |-  ( e  =  ( (iEdg `  S ) `  x
)  ->  ( e  ~~  2o  <->  ( (iEdg `  S ) `  x
)  ~~  2o )
)
1513, 14orbi12d 805 . . . . . . . . . 10  |-  ( e  =  ( (iEdg `  S ) `  x
)  ->  ( (
e  ~~  1o  \/  e  ~~  2o )  <->  ( (
(iEdg `  S ) `  x )  ~~  1o  \/  ( (iEdg `  S
) `  x )  ~~  2o ) ) )
167anim2i 342 . . . . . . . . . . . . . . 15  |-  ( ( S SubGraph  G  /\  G  e. UPGraph )  ->  ( S SubGraph  G  /\  G  e. UHGraph ) )
1716adantl 277 . . . . . . . . . . . . . 14  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  ( S SubGraph  G  /\  G  e. UHGraph ) )
1817ancomd 267 . . . . . . . . . . . . 13  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  ( G  e. UHGraph  /\  S SubGraph  G ) )
1918anim1i 340 . . . . . . . . . . . 12  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( ( G  e. UHGraph  /\  S SubGraph  G )  /\  x  e.  dom  (iEdg `  S ) ) )
2019simplld 532 . . . . . . . . . . 11  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  G  e. UHGraph )
21 simpl 109 . . . . . . . . . . . . 13  |-  ( ( S SubGraph  G  /\  G  e. UPGraph )  ->  S SubGraph  G )
2221adantl 277 . . . . . . . . . . . 12  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  S SubGraph  G )
2322adantr 276 . . . . . . . . . . 11  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  S SubGraph  G )
24 simpr 110 . . . . . . . . . . 11  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  x  e.  dom  (iEdg `  S ) )
251, 3, 20, 23, 24subgruhgredgdm 16511 . . . . . . . . . 10  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( (iEdg `  S ) `  x
)  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s } )
26 subgreldmiedg 16510 . . . . . . . . . . . . . . 15  |-  ( ( S SubGraph  G  /\  x  e.  dom  (iEdg `  S
) )  ->  x  e.  dom  (iEdg `  G
) )
2726ex 115 . . . . . . . . . . . . . 14  |-  ( S SubGraph  G  ->  ( x  e. 
dom  (iEdg `  S )  ->  x  e.  dom  (iEdg `  G ) ) )
2827ad2antrl 494 . . . . . . . . . . . . 13  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  (
x  e.  dom  (iEdg `  S )  ->  x  e.  dom  (iEdg `  G
) ) )
29 simpr 110 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  dom  (iEdg `  G )  /\  G  e. UPGraph )  ->  G  e. UPGraph )
304uhgrfun 16318 . . . . . . . . . . . . . . . . . . 19  |-  ( G  e. UHGraph  ->  Fun  (iEdg `  G
) )
317, 30syl 14 . . . . . . . . . . . . . . . . . 18  |-  ( G  e. UPGraph  ->  Fun  (iEdg `  G
) )
3231funfnd 5408 . . . . . . . . . . . . . . . . 17  |-  ( G  e. UPGraph  ->  (iEdg `  G
)  Fn  dom  (iEdg `  G ) )
3332adantl 277 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  dom  (iEdg `  G )  /\  G  e. UPGraph )  ->  (iEdg `  G
)  Fn  dom  (iEdg `  G ) )
34 simpl 109 . . . . . . . . . . . . . . . 16  |-  ( ( x  e.  dom  (iEdg `  G )  /\  G  e. UPGraph )  ->  x  e.  dom  (iEdg `  G )
)
352, 4upgr1or2 16342 . . . . . . . . . . . . . . . 16  |-  ( ( G  e. UPGraph  /\  (iEdg `  G )  Fn  dom  (iEdg `  G )  /\  x  e.  dom  (iEdg `  G ) )  -> 
( ( (iEdg `  G ) `  x
)  ~~  1o  \/  ( (iEdg `  G ) `  x )  ~~  2o ) )
3629, 33, 34, 35syl3anc 1278 . . . . . . . . . . . . . . 15  |-  ( ( x  e.  dom  (iEdg `  G )  /\  G  e. UPGraph )  ->  ( (
(iEdg `  G ) `  x )  ~~  1o  \/  ( (iEdg `  G
) `  x )  ~~  2o ) )
3736expcom 116 . . . . . . . . . . . . . 14  |-  ( G  e. UPGraph  ->  ( x  e. 
dom  (iEdg `  G )  ->  ( ( (iEdg `  G ) `  x
)  ~~  1o  \/  ( (iEdg `  G ) `  x )  ~~  2o ) ) )
3837ad2antll 495 . . . . . . . . . . . . 13  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  (
x  e.  dom  (iEdg `  G )  ->  (
( (iEdg `  G
) `  x )  ~~  1o  \/  ( (iEdg `  G ) `  x
)  ~~  2o )
) )
3928, 38syld 45 . . . . . . . . . . . 12  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  (
x  e.  dom  (iEdg `  S )  ->  (
( (iEdg `  G
) `  x )  ~~  1o  \/  ( (iEdg `  G ) `  x
)  ~~  2o )
) )
4039imp 124 . . . . . . . . . . 11  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( ( (iEdg `  G ) `  x
)  ~~  1o  \/  ( (iEdg `  G ) `  x )  ~~  2o ) )
4131ad2antll 495 . . . . . . . . . . . . . . . 16  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  Fun  (iEdg `  G ) )
4241adantr 276 . . . . . . . . . . . . . . 15  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  Fun  (iEdg `  G
) )
43 simpll2 1068 . . . . . . . . . . . . . . 15  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  (iEdg `  S
)  C_  (iEdg `  G
) )
44 funssfv 5721 . . . . . . . . . . . . . . 15  |-  ( ( Fun  (iEdg `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  x  e.  dom  (iEdg `  S )
)  ->  ( (iEdg `  G ) `  x
)  =  ( (iEdg `  S ) `  x
) )
4542, 43, 24, 44syl3anc 1278 . . . . . . . . . . . . . 14  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( (iEdg `  G ) `  x
)  =  ( (iEdg `  S ) `  x
) )
4645eqcomd 2244 . . . . . . . . . . . . 13  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( (iEdg `  S ) `  x
)  =  ( (iEdg `  G ) `  x
) )
4746breq1d 4140 . . . . . . . . . . . 12  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( ( (iEdg `  S ) `  x
)  ~~  1o  <->  ( (iEdg `  G ) `  x
)  ~~  1o )
)
4846breq1d 4140 . . . . . . . . . . . 12  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( ( (iEdg `  S ) `  x
)  ~~  2o  <->  ( (iEdg `  G ) `  x
)  ~~  2o )
)
4947, 48orbi12d 805 . . . . . . . . . . 11  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( ( ( (iEdg `  S ) `  x )  ~~  1o  \/  ( (iEdg `  S
) `  x )  ~~  2o )  <->  ( (
(iEdg `  G ) `  x )  ~~  1o  \/  ( (iEdg `  G
) `  x )  ~~  2o ) ) )
5040, 49mpbird 167 . . . . . . . . . 10  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( ( (iEdg `  S ) `  x
)  ~~  1o  \/  ( (iEdg `  S ) `  x )  ~~  2o ) )
5115, 25, 50elrabd 2984 . . . . . . . . 9  |-  ( ( ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  /\  x  e.  dom  (iEdg `  S ) )  ->  ( (iEdg `  S ) `  x
)  e.  { e  e.  { s  e. 
~P (Vtx `  S
)  |  E. j 
j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
5251ralrimiva 2623 . . . . . . . 8  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  A. x  e.  dom  (iEdg `  S
) ( (iEdg `  S ) `  x
)  e.  { e  e.  { s  e. 
~P (Vtx `  S
)  |  E. j 
j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
53 fnfvrnss 5868 . . . . . . . 8  |-  ( ( (iEdg `  S )  Fn  dom  (iEdg `  S
)  /\  A. x  e.  dom  (iEdg `  S
) ( (iEdg `  S ) `  x
)  e.  { e  e.  { s  e. 
~P (Vtx `  S
)  |  E. j 
j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } )  ->  ran  (iEdg `  S )  C_  { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
5412, 52, 53syl2anc 415 . . . . . . 7  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  ran  (iEdg `  S )  C_  { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
55 df-f 5381 . . . . . . 7  |-  ( (iEdg `  S ) : dom  (iEdg `  S ) --> { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) }  <->  ( (iEdg `  S )  Fn  dom  (iEdg `  S )  /\  ran  (iEdg `  S )  C_ 
{ e  e.  {
s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } ) )
5612, 54, 55sylanbrc 421 . . . . . 6  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  (iEdg `  S ) : dom  (iEdg `  S ) --> { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
57 sspw1or2 7544 . . . . . . 7  |-  { e  e.  { s  e. 
~P (Vtx `  S
)  |  E. j 
j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) }  =  {
e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) }
58 feq3 5518 . . . . . . 7  |-  ( { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) }  =  {
e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) }  ->  ( (iEdg `  S ) : dom  (iEdg `  S ) --> { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) }  <->  (iEdg `  S
) : dom  (iEdg `  S ) --> { e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) } ) )
5957, 58ax-mp 5 . . . . . 6  |-  ( (iEdg `  S ) : dom  (iEdg `  S ) --> { e  e.  { s  e.  ~P (Vtx `  S )  |  E. j  j  e.  s }  |  ( e  ~~  1o  \/  e  ~~  2o ) }  <->  (iEdg `  S
) : dom  (iEdg `  S ) --> { e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
6056, 59sylib 122 . . . . 5  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  (iEdg `  S ) : dom  (iEdg `  S ) --> { e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) } )
61 subgrv 16497 . . . . . . 7  |-  ( S SubGraph  G  ->  ( S  e. 
_V  /\  G  e.  _V ) )
621, 3isupgren 16336 . . . . . . . 8  |-  ( S  e.  _V  ->  ( S  e. UPGraph  <->  (iEdg `  S ) : dom  (iEdg `  S
) --> { e  e. 
~P (Vtx `  S
)  |  ( e 
~~  1o  \/  e  ~~  2o ) } ) )
6362adantr 276 . . . . . . 7  |-  ( ( S  e.  _V  /\  G  e.  _V )  ->  ( S  e. UPGraph  <->  (iEdg `  S
) : dom  (iEdg `  S ) --> { e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) } ) )
6461, 63syl 14 . . . . . 6  |-  ( S SubGraph  G  ->  ( S  e. UPGraph  <->  (iEdg `  S ) : dom  (iEdg `  S ) --> { e  e.  ~P (Vtx `  S )  |  ( e  ~~  1o  \/  e  ~~  2o ) } ) )
6564ad2antrl 494 . . . . 5  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  ( S  e. UPGraph  <->  (iEdg `  S ) : dom  (iEdg `  S
) --> { e  e. 
~P (Vtx `  S
)  |  ( e 
~~  1o  \/  e  ~~  2o ) } ) )
6660, 65mpbird 167 . . . 4  |-  ( ( ( (Vtx `  S
)  C_  (Vtx `  G
)  /\  (iEdg `  S
)  C_  (iEdg `  G
)  /\  (Edg `  S
)  C_  ~P (Vtx `  S ) )  /\  ( S SubGraph  G  /\  G  e. UPGraph ) )  ->  S  e. UPGraph )
6766ex 115 . . 3  |-  ( ( (Vtx `  S )  C_  (Vtx `  G )  /\  (iEdg `  S )  C_  (iEdg `  G )  /\  (Edg `  S )  C_ 
~P (Vtx `  S
) )  ->  (
( S SubGraph  G  /\  G  e. UPGraph )  ->  S  e. UPGraph ) )
686, 67syl 14 . 2  |-  ( S SubGraph  G  ->  ( ( S SubGraph  G  /\  G  e. UPGraph )  ->  S  e. UPGraph ) )
6968anabsi8 588 1  |-  ( ( G  e. UPGraph  /\  S SubGraph  G )  ->  S  e. UPGraph )
Colors of variables:    wff set class
This proof depends on syntax axioms:    -> wi 4    /\ wa 104    <-> wb 105    \/ wo 720    /\ w3a 1009    = wceq 1402   E.wex 1545    e. wcel 2209   A.wral 2528   {crab 2532   _Vcvv 2821    C_ wss 3220   ~Pcpw 3688   class class class wbr 4130   dom cdm 4774   ran crn 4775   Fun wfun 5371    Fn wfn 5372   -->wf 5373   ` cfv 5377   1oc1o 6680   2oc2o 6681    ~~ cen 7020  Vtxcvtx 16253  iEdgciedg 16254  Edgcedg 16298  UHGraphcuhgr 16308  UPGraphcupgr 16332   SubGraph csubgr 16494
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-addcom 8279  ax-mulcom 8280  ax-addass 8281  ax-mulass 8282  ax-distr 8283  ax-i2m1 8284  ax-1rid 8286  ax-0id 8287  ax-rnegex 8288  ax-cnre 8290
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-iord 4511  df-on 4513  df-suc 4516  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-1o 6687  df-2o 6688  df-en 7023  df-sub 8499  df-inn 9305  df-2 9363  df-3 9364  df-4 9365  df-5 9366  df-6 9367  df-7 9368  df-8 9369  df-9 9370  df-n0 9564  df-dec 9778  df-ndx 13355  df-slot 13356  df-base 13358  df-edgf 16246  df-vtx 16255  df-iedg 16256  df-edg 16299  df-uhgrm 16310  df-upgren 16334  df-subgr 16495
This theorem is used by:  upgrspan  16520
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