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Theorem mgmplusf 13663
Description: The group addition function of a magma is a function into its base set. (Contributed by Mario Carneiro, 14-Aug-2015.) (Revisd by AV, 28-Jan-2020.)
Hypotheses
Ref Expression
mgmplusf.1  |-  B  =  ( Base `  M
)
mgmplusf.2  |-  .+^  =  ( +f `  M
)
Assertion
Ref Expression
mgmplusf  |-  ( M  e. Mgm  ->  .+^  : ( B  X.  B ) --> B )

Proof of Theorem mgmplusf
Dummy variables  x  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 mgmplusf.1 . . . . . 6  |-  B  =  ( Base `  M
)
2 eqid 2238 . . . . . 6  |-  ( +g  `  M )  =  ( +g  `  M )
31, 2mgmcl 13656 . . . . 5  |-  ( ( M  e. Mgm  /\  x  e.  B  /\  y  e.  B )  ->  (
x ( +g  `  M
) y )  e.  B )
433expb 1235 . . . 4  |-  ( ( M  e. Mgm  /\  (
x  e.  B  /\  y  e.  B )
)  ->  ( x
( +g  `  M ) y )  e.  B
)
54ralrimivva 2632 . . 3  |-  ( M  e. Mgm  ->  A. x  e.  B  A. y  e.  B  ( x ( +g  `  M ) y )  e.  B )
6 eqid 2238 . . . 4  |-  ( x  e.  B ,  y  e.  B  |->  ( x ( +g  `  M
) y ) )  =  ( x  e.  B ,  y  e.  B  |->  ( x ( +g  `  M ) y ) )
76fmpo 6427 . . 3  |-  ( A. x  e.  B  A. y  e.  B  (
x ( +g  `  M
) y )  e.  B  <->  ( x  e.  B ,  y  e.  B  |->  ( x ( +g  `  M ) y ) ) : ( B  X.  B
) --> B )
85, 7sylib 122 . 2  |-  ( M  e. Mgm  ->  ( x  e.  B ,  y  e.  B  |->  ( x ( +g  `  M ) y ) ) : ( B  X.  B
) --> B )
9 mgmplusf.2 . . . 4  |-  .+^  =  ( +f `  M
)
101, 2, 9plusffvalg 13659 . . 3  |-  ( M  e. Mgm  ->  .+^  =  ( x  e.  B ,  y  e.  B  |->  ( x ( +g  `  M
) y ) ) )
1110feq1d 5515 . 2  |-  ( M  e. Mgm  ->  (  .+^  : ( B  X.  B ) --> B  <->  ( x  e.  B ,  y  e.  B  |->  ( x ( +g  `  M ) y ) ) : ( B  X.  B
) --> B ) )
128, 11mpbird 167 1  |-  ( M  e. Mgm  ->  .+^  : ( B  X.  B ) --> B )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1402    e. wcel 2209   A.wral 2528    X. cxp 4767   -->wf 5368   ` cfv 5372  (class class class)co 6075    e. cmpo 6077   Basecbs 13330   +g cplusg 13408   +fcplusf 13650  Mgmcmgm 13651
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-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-coll 4241  ax-sep 4244  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-cnex 8260  ax-resscn 8261  ax-1re 8263  ax-addrcl 8266
This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  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-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-un 3224  df-in 3226  df-ss 3233  df-pw 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-int 3966  df-iun 4009  df-br 4126  df-opab 4188  df-mpt 4189  df-id 4433  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-rn 4780  df-res 4781  df-ima 4782  df-iota 5332  df-fun 5374  df-fn 5375  df-f 5376  df-f1 5377  df-fo 5378  df-f1o 5379  df-fv 5380  df-ov 6078  df-oprab 6079  df-mpo 6080  df-1st 6364  df-2nd 6365  df-inn 9284  df-2 9342  df-ndx 13333  df-slot 13334  df-base 13336  df-plusg 13421  df-plusf 13652  df-mgm 13653
This theorem is referenced by:  mgmb1mgm1  13665  mndplusf  13723
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