ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  funvtxval0d Unicode version

Theorem funvtxval0d 15883
Description: The set of vertices of an extensible structure with a base set and (at least) another slot. (Contributed by AV, 22-Sep-2020.) (Revised by AV, 7-Jun-2021.) (Revised by AV, 12-Nov-2021.)
Hypotheses
Ref Expression
funvtxval0.s  |-  S  e. 
_V
funvtxval0d.g  |-  ( ph  ->  G  e.  V )
funvtxval0d.fun  |-  ( ph  ->  Fun  ( G  \  { (/) } ) )
funvtxval0d.ne  |-  ( ph  ->  S  =/=  ( Base `  ndx ) )
funvtxval0d.dm  |-  ( ph  ->  { ( Base `  ndx ) ,  S }  C_ 
dom  G )
Assertion
Ref Expression
funvtxval0d  |-  ( ph  ->  (Vtx `  G )  =  ( Base `  G
) )

Proof of Theorem funvtxval0d
StepHypRef Expression
1 basendxnn 13137 . . 3  |-  ( Base `  ndx )  e.  NN
21elexi 2815 . 2  |-  ( Base `  ndx )  e.  _V
3 funvtxval0.s . 2  |-  S  e. 
_V
4 funvtxval0d.g . 2  |-  ( ph  ->  G  e.  V )
5 funvtxval0d.fun . 2  |-  ( ph  ->  Fun  ( G  \  { (/) } ) )
6 funvtxval0d.ne . . 3  |-  ( ph  ->  S  =/=  ( Base `  ndx ) )
76necomd 2488 . 2  |-  ( ph  ->  ( Base `  ndx )  =/=  S )
8 funvtxval0d.dm . 2  |-  ( ph  ->  { ( Base `  ndx ) ,  S }  C_ 
dom  G )
92, 3, 4, 5, 7, 8funvtxdm2vald 15881 1  |-  ( ph  ->  (Vtx `  G )  =  ( Base `  G
) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1397    e. wcel 2202    =/= wne 2402   _Vcvv 2802    \ cdif 3197    C_ wss 3200   (/)c0 3494   {csn 3669   {cpr 3670   dom cdm 4725   Fun wfun 5320   ` cfv 5326   NNcn 9142   ndxcnx 13078   Basecbs 13081  Vtxcvtx 15862
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-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-cnex 8122  ax-resscn 8123  ax-1re 8125  ax-addrcl 8128
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-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-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-iord 4463  df-on 4465  df-suc 4468  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-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-1st 6302  df-1o 6581  df-2o 6582  df-en 6909  df-dom 6910  df-inn 9143  df-ndx 13084  df-slot 13085  df-base 13087  df-vtx 15864
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator