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Theorem mulgsubdir 13023
Description: Distribution of group multiples over subtraction for group elements, subdir 8343 analog. (Contributed by Mario Carneiro, 13-Dec-2014.)
Hypotheses
Ref Expression
mulgsubdir.b  |-  B  =  ( Base `  G
)
mulgsubdir.t  |-  .x.  =  (.g
`  G )
mulgsubdir.d  |-  .-  =  ( -g `  G )
Assertion
Ref Expression
mulgsubdir  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  -  N )  .x.  X )  =  ( ( M  .x.  X
)  .-  ( N  .x.  X ) ) )

Proof of Theorem mulgsubdir
StepHypRef Expression
1 znegcl 9284 . . 3  |-  ( N  e.  ZZ  ->  -u N  e.  ZZ )
2 mulgsubdir.b . . . 4  |-  B  =  ( Base `  G
)
3 mulgsubdir.t . . . 4  |-  .x.  =  (.g
`  G )
4 eqid 2177 . . . 4  |-  ( +g  `  G )  =  ( +g  `  G )
52, 3, 4mulgdir 13015 . . 3  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  -u N  e.  ZZ  /\  X  e.  B ) )  ->  ( ( M  +  -u N ) 
.x.  X )  =  ( ( M  .x.  X ) ( +g  `  G ) ( -u N  .x.  X ) ) )
61, 5syl3anr2 1291 . 2  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  +  -u N ) 
.x.  X )  =  ( ( M  .x.  X ) ( +g  `  G ) ( -u N  .x.  X ) ) )
7 simpr1 1003 . . . . 5  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  M  e.  ZZ )
87zcnd 9376 . . . 4  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  M  e.  CC )
9 simpr2 1004 . . . . 5  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  N  e.  ZZ )
109zcnd 9376 . . . 4  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  N  e.  CC )
118, 10negsubd 8274 . . 3  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( M  +  -u N )  =  ( M  -  N
) )
1211oveq1d 5890 . 2  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  +  -u N ) 
.x.  X )  =  ( ( M  -  N )  .x.  X
) )
13 eqid 2177 . . . . . 6  |-  ( invg `  G )  =  ( invg `  G )
142, 3, 13mulgneg 13001 . . . . 5  |-  ( ( G  e.  Grp  /\  N  e.  ZZ  /\  X  e.  B )  ->  ( -u N  .x.  X )  =  ( ( invg `  G ) `
 ( N  .x.  X ) ) )
15143adant3r1 1212 . . . 4  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( -u N  .x.  X )  =  ( ( invg `  G ) `  ( N  .x.  X ) ) )
1615oveq2d 5891 . . 3  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  .x.  X ) ( +g  `  G ) ( -u N  .x.  X ) )  =  ( ( M  .x.  X ) ( +g  `  G ) ( ( invg `  G
) `  ( N  .x.  X ) ) ) )
172, 3mulgcl 13000 . . . . 5  |-  ( ( G  e.  Grp  /\  M  e.  ZZ  /\  X  e.  B )  ->  ( M  .x.  X )  e.  B )
18173adant3r2 1213 . . . 4  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( M  .x.  X )  e.  B
)
192, 3mulgcl 13000 . . . . 5  |-  ( ( G  e.  Grp  /\  N  e.  ZZ  /\  X  e.  B )  ->  ( N  .x.  X )  e.  B )
20193adant3r1 1212 . . . 4  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( N  .x.  X )  e.  B
)
21 mulgsubdir.d . . . . 5  |-  .-  =  ( -g `  G )
222, 4, 13, 21grpsubval 12919 . . . 4  |-  ( ( ( M  .x.  X
)  e.  B  /\  ( N  .x.  X )  e.  B )  -> 
( ( M  .x.  X )  .-  ( N  .x.  X ) )  =  ( ( M 
.x.  X ) ( +g  `  G ) ( ( invg `  G ) `  ( N  .x.  X ) ) ) )
2318, 20, 22syl2anc 411 . . 3  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  .x.  X )  .-  ( N  .x.  X ) )  =  ( ( M  .x.  X ) ( +g  `  G
) ( ( invg `  G ) `
 ( N  .x.  X ) ) ) )
2416, 23eqtr4d 2213 . 2  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  .x.  X ) ( +g  `  G ) ( -u N  .x.  X ) )  =  ( ( M  .x.  X )  .-  ( N  .x.  X ) ) )
256, 12, 243eqtr3d 2218 1  |-  ( ( G  e.  Grp  /\  ( M  e.  ZZ  /\  N  e.  ZZ  /\  X  e.  B )
)  ->  ( ( M  -  N )  .x.  X )  =  ( ( M  .x.  X
)  .-  ( N  .x.  X ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    /\ w3a 978    = wceq 1353    e. wcel 2148   ` cfv 5217  (class class class)co 5875    + caddc 7814    - cmin 8128   -ucneg 8129   ZZcz 9253   Basecbs 12462   +g cplusg 12536   Grpcgrp 12877   invgcminusg 12878   -gcsg 12879  .gcmg 12983
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 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-13 2150  ax-14 2151  ax-ext 2159  ax-coll 4119  ax-sep 4122  ax-nul 4130  ax-pow 4175  ax-pr 4210  ax-un 4434  ax-setind 4537  ax-iinf 4588  ax-cnex 7902  ax-resscn 7903  ax-1cn 7904  ax-1re 7905  ax-icn 7906  ax-addcl 7907  ax-addrcl 7908  ax-mulcl 7909  ax-addcom 7911  ax-addass 7913  ax-distr 7915  ax-i2m1 7916  ax-0lt1 7917  ax-0id 7919  ax-rnegex 7920  ax-cnre 7922  ax-pre-ltirr 7923  ax-pre-ltwlin 7924  ax-pre-lttrn 7925  ax-pre-ltadd 7927
This theorem depends on definitions:  df-bi 117  df-dc 835  df-3or 979  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-nel 2443  df-ral 2460  df-rex 2461  df-reu 2462  df-rmo 2463  df-rab 2464  df-v 2740  df-sbc 2964  df-csb 3059  df-dif 3132  df-un 3134  df-in 3136  df-ss 3143  df-nul 3424  df-if 3536  df-pw 3578  df-sn 3599  df-pr 3600  df-op 3602  df-uni 3811  df-int 3846  df-iun 3889  df-br 4005  df-opab 4066  df-mpt 4067  df-tr 4103  df-id 4294  df-iord 4367  df-on 4369  df-ilim 4370  df-suc 4372  df-iom 4591  df-xp 4633  df-rel 4634  df-cnv 4635  df-co 4636  df-dm 4637  df-rn 4638  df-res 4639  df-ima 4640  df-iota 5179  df-fun 5219  df-fn 5220  df-f 5221  df-f1 5222  df-fo 5223  df-f1o 5224  df-fv 5225  df-riota 5831  df-ov 5878  df-oprab 5879  df-mpo 5880  df-1st 6141  df-2nd 6142  df-recs 6306  df-frec 6392  df-pnf 7994  df-mnf 7995  df-xr 7996  df-ltxr 7997  df-le 7998  df-sub 8130  df-neg 8131  df-inn 8920  df-2 8978  df-n0 9177  df-z 9254  df-uz 9529  df-fz 10009  df-seqfrec 10446  df-ndx 12465  df-slot 12466  df-base 12468  df-plusg 12549  df-0g 12707  df-mgm 12775  df-sgrp 12808  df-mnd 12818  df-grp 12880  df-minusg 12881  df-sbg 12882  df-mulg 12984
This theorem is referenced by: (None)
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