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Theorem mgpvalg 14067
Description: Value of the multiplication group operation. (Contributed by Mario Carneiro, 21-Dec-2014.)
Hypotheses
Ref Expression
mgpval.1  |-  M  =  (mulGrp `  R )
mgpval.2  |-  .x.  =  ( .r `  R )
Assertion
Ref Expression
mgpvalg  |-  ( R  e.  V  ->  M  =  ( R sSet  <. ( +g  `  ndx ) ,  .x.  >. ) )

Proof of Theorem mgpvalg
Dummy variable  r is distinct from all other variables.
StepHypRef Expression
1 mgpval.1 . 2  |-  M  =  (mulGrp `  R )
2 df-mgp 14065 . . 3  |- mulGrp  =  ( r  e.  _V  |->  ( r sSet  <. ( +g  `  ndx ) ,  ( .r `  r ) >. )
)
3 id 19 . . . 4  |-  ( r  =  R  ->  r  =  R )
4 fveq2 5670 . . . . . 6  |-  ( r  =  R  ->  ( .r `  r )  =  ( .r `  R
) )
5 mgpval.2 . . . . . 6  |-  .x.  =  ( .r `  R )
64, 5eqtr4di 2283 . . . . 5  |-  ( r  =  R  ->  ( .r `  r )  = 
.x.  )
76opeq2d 3890 . . . 4  |-  ( r  =  R  ->  <. ( +g  `  ndx ) ,  ( .r `  r
) >.  =  <. ( +g  `  ndx ) , 
.x.  >. )
83, 7oveq12d 6068 . . 3  |-  ( r  =  R  ->  (
r sSet  <. ( +g  `  ndx ) ,  ( .r `  r ) >. )  =  ( R sSet  <. ( +g  `  ndx ) ,  .x.  >. ) )
9 elex 2825 . . 3  |-  ( R  e.  V  ->  R  e.  _V )
10 plusgslid 13325 . . . . . 6  |-  ( +g  = Slot  ( +g  `  ndx )  /\  ( +g  `  ndx )  e.  NN )
1110simpri 113 . . . . 5  |-  ( +g  ` 
ndx )  e.  NN
1211a1i 9 . . . 4  |-  ( R  e.  V  ->  ( +g  `  ndx )  e.  NN )
13 mulrslid 13345 . . . . . 6  |-  ( .r  = Slot  ( .r `  ndx )  /\  ( .r `  ndx )  e.  NN )
1413slotex 13239 . . . . 5  |-  ( R  e.  V  ->  ( .r `  R )  e. 
_V )
155, 14eqeltrid 2319 . . . 4  |-  ( R  e.  V  ->  .x.  e.  _V )
16 setsex 13244 . . . 4  |-  ( ( R  e.  V  /\  ( +g  `  ndx )  e.  NN  /\  .x.  e.  _V )  ->  ( R sSet  <. ( +g  `  ndx ) ,  .x.  >. )  e.  _V )
1712, 15, 16mpd3an23 1376 . . 3  |-  ( R  e.  V  ->  ( R sSet  <. ( +g  `  ndx ) ,  .x.  >. )  e.  _V )
182, 8, 9, 17fvmptd3 5771 . 2  |-  ( R  e.  V  ->  (mulGrp `  R )  =  ( R sSet  <. ( +g  `  ndx ) ,  .x.  >. )
)
191, 18eqtrid 2277 1  |-  ( R  e.  V  ->  M  =  ( R sSet  <. ( +g  `  ndx ) ,  .x.  >. ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1398    e. wcel 2203   _Vcvv 2813   <.cop 3692   ` cfv 5352  (class class class)co 6050   NNcn 9237   ndxcnx 13209   sSet csts 13210  Slot cslot 13211   +g cplusg 13290   .rcmulr 13291  mulGrpcmgp 14064
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 2205  ax-14 2206  ax-ext 2214  ax-sep 4228  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-cnex 8218  ax-resscn 8219  ax-1re 8221  ax-addrcl 8224
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 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-ral 2525  df-rex 2526  df-rab 2529  df-v 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-br 4110  df-opab 4172  df-mpt 4173  df-id 4414  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-iota 5312  df-fun 5354  df-fn 5355  df-fv 5360  df-ov 6053  df-oprab 6054  df-mpo 6055  df-inn 9238  df-2 9296  df-3 9297  df-ndx 13215  df-slot 13216  df-sets 13219  df-plusg 13303  df-mulr 13304  df-mgp 14065
This theorem is referenced by:  mgpplusgg  14068  mgpex  14069  mgpbasg  14070  mgpscag  14071  mgptsetg  14072  mgpdsg  14074  mgpress  14075
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