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Theorem opelstrbas 13191
Description: The base set of a structure with a base set. (Contributed by AV, 10-Nov-2021.)
Hypotheses
Ref Expression
opelstrbas.s  |-  ( ph  ->  S Struct  X )
opelstrbas.v  |-  ( ph  ->  V  e.  Y )
opelstrbas.b  |-  ( ph  -> 
<. ( Base `  ndx ) ,  V >.  e.  S )
Assertion
Ref Expression
opelstrbas  |-  ( ph  ->  V  =  ( Base `  S ) )

Proof of Theorem opelstrbas
StepHypRef Expression
1 baseslid 13133 . 2  |-  ( Base 
= Slot  ( Base `  ndx )  /\  ( Base `  ndx )  e.  NN )
2 opelstrbas.s . 2  |-  ( ph  ->  S Struct  X )
3 opelstrbas.v . 2  |-  ( ph  ->  V  e.  Y )
4 opelstrbas.b . 2  |-  ( ph  -> 
<. ( Base `  ndx ) ,  V >.  e.  S )
51, 2, 3, 4opelstrsl 13190 1  |-  ( ph  ->  V  =  ( Base `  S ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1395    e. wcel 2200   <.cop 3670   class class class wbr 4086   ` cfv 5324   Struct cstr 13071   ndxcnx 13072   Basecbs 13075
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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4205  ax-pow 4262  ax-pr 4297  ax-un 4528  ax-cnex 8116  ax-resscn 8117  ax-1re 8119  ax-addrcl 8122
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-ral 2513  df-rex 2514  df-rab 2517  df-v 2802  df-sbc 3030  df-dif 3200  df-un 3202  df-in 3204  df-ss 3211  df-nul 3493  df-pw 3652  df-sn 3673  df-pr 3674  df-op 3676  df-uni 3892  df-int 3927  df-br 4087  df-opab 4149  df-mpt 4150  df-id 4388  df-xp 4729  df-rel 4730  df-cnv 4731  df-co 4732  df-dm 4733  df-rn 4734  df-res 4735  df-iota 5284  df-fun 5326  df-fv 5332  df-inn 9137  df-struct 13077  df-ndx 13078  df-slot 13079  df-base 13081
This theorem is referenced by:  2strbas1g  13199  rngbaseg  13212  srngbased  13223  lmodbased  13241  ipsbased  13253  topgrpbasd  13273  psrbasg  14681  basvtxval2dom  15878
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