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Theorem opelstrbas 13452
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 13393 . 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 13451 1  |-  ( ph  ->  V  =  ( Base `  S ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1402    e. wcel 2209   <.cop 3711   class class class wbr 4128   ` cfv 5375   Struct cstr 13331   ndxcnx 13332   Basecbs 13335
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 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 4247  ax-pow 4309  ax-pr 4344  ax-un 4576  ax-cnex 8264  ax-resscn 8265  ax-1re 8267  ax-addrcl 8270
This theorem 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-rab 2537  df-v 2823  df-sbc 3052  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3714  df-pr 3715  df-op 3717  df-uni 3934  df-int 3969  df-br 4129  df-opab 4191  df-mpt 4192  df-id 4436  df-xp 4778  df-rel 4779  df-cnv 4780  df-co 4781  df-dm 4782  df-rn 4783  df-res 4784  df-iota 5335  df-fun 5377  df-fv 5383  df-inn 9288  df-struct 13337  df-ndx 13338  df-slot 13339  df-base 13341
This theorem is referenced by:  2strbas1g  13460  rngbaseg  13473  srngbased  13484  lmodbased  13502  ipsbased  13514  topgrpbasd  13534  psrbasg  15048  basvtxval2dom  16258
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