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Theorem pwssub 13757
Description: Subtraction in a group power. (Contributed by Mario Carneiro, 12-Jan-2015.)
Hypotheses
Ref Expression
pwsgrp.y  |-  Y  =  ( R  ^s  I )
pwsinvg.b  |-  B  =  ( Base `  Y
)
pwssub.m  |-  M  =  ( -g `  R
)
pwssub.n  |-  .-  =  ( -g `  Y )
Assertion
Ref Expression
pwssub  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F  .-  G
)  =  ( F  oF M G ) )

Proof of Theorem pwssub
Dummy variables  x  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simplr 529 . . . 4  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  I  e.  V )
2 pwsgrp.y . . . . . 6  |-  Y  =  ( R  ^s  I )
3 eqid 2231 . . . . . 6  |-  ( Base `  R )  =  (
Base `  R )
4 pwsinvg.b . . . . . 6  |-  B  =  ( Base `  Y
)
5 simpll 527 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  R  e.  Grp )
6 simprl 531 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  F  e.  B )
72, 3, 4, 5, 1, 6pwselbas 13438 . . . . 5  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  F : I --> ( Base `  R ) )
87ffvelcdmda 5790 . . . 4  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  ( F `  x )  e.  ( Base `  R
) )
9 eqid 2231 . . . . . . . 8  |-  ( invg `  R )  =  ( invg `  R )
103, 9grpinvf 13691 . . . . . . 7  |-  ( R  e.  Grp  ->  ( invg `  R ) : ( Base `  R
) --> ( Base `  R
) )
1110ad2antrr 488 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( invg `  R ) : (
Base `  R ) --> ( Base `  R )
)
1211adantr 276 . . . . 5  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  ( invg `  R ) : ( Base `  R
) --> ( Base `  R
) )
13 simprr 533 . . . . . . 7  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  G  e.  B )
142, 3, 4, 5, 1, 13pwselbas 13438 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  G : I --> ( Base `  R ) )
1514ffvelcdmda 5790 . . . . 5  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  ( G `  x )  e.  ( Base `  R
) )
1612, 15ffvelcdmd 5791 . . . 4  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  (
( invg `  R ) `  ( G `  x )
)  e.  ( Base `  R ) )
177feqmptd 5708 . . . 4  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  F  =  ( x  e.  I  |->  ( F `
 x ) ) )
18 eqid 2231 . . . . . . 7  |-  ( invg `  Y )  =  ( invg `  Y )
192, 4, 9, 18pwsinvg 13756 . . . . . 6  |-  ( ( R  e.  Grp  /\  I  e.  V  /\  G  e.  B )  ->  ( ( invg `  Y ) `  G
)  =  ( ( invg `  R
)  o.  G ) )
205, 1, 13, 19syl3anc 1274 . . . . 5  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( ( invg `  Y ) `  G
)  =  ( ( invg `  R
)  o.  G ) )
2114feqmptd 5708 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  G  =  ( x  e.  I  |->  ( G `
 x ) ) )
2211feqmptd 5708 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( invg `  R )  =  ( y  e.  ( Base `  R )  |->  ( ( invg `  R
) `  y )
) )
23 fveq2 5648 . . . . . 6  |-  ( y  =  ( G `  x )  ->  (
( invg `  R ) `  y
)  =  ( ( invg `  R
) `  ( G `  x ) ) )
2415, 21, 22, 23fmptco 5821 . . . . 5  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( ( invg `  R )  o.  G
)  =  ( x  e.  I  |->  ( ( invg `  R
) `  ( G `  x ) ) ) )
2520, 24eqtrd 2264 . . . 4  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( ( invg `  Y ) `  G
)  =  ( x  e.  I  |->  ( ( invg `  R
) `  ( G `  x ) ) ) )
261, 8, 16, 17, 25offval2 6260 . . 3  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F  oF ( +g  `  R
) ( ( invg `  Y ) `
 G ) )  =  ( x  e.  I  |->  ( ( F `
 x ) ( +g  `  R ) ( ( invg `  R ) `  ( G `  x )
) ) ) )
272pwsgrp 13755 . . . . 5  |-  ( ( R  e.  Grp  /\  I  e.  V )  ->  Y  e.  Grp )
284, 18grpinvcl 13692 . . . . 5  |-  ( ( Y  e.  Grp  /\  G  e.  B )  ->  ( ( invg `  Y ) `  G
)  e.  B )
2927, 13, 28syl2an2r 599 . . . 4  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( ( invg `  Y ) `  G
)  e.  B )
30 eqid 2231 . . . 4  |-  ( +g  `  R )  =  ( +g  `  R )
31 eqid 2231 . . . 4  |-  ( +g  `  Y )  =  ( +g  `  Y )
322, 4, 5, 1, 6, 29, 30, 31pwsplusgval 13439 . . 3  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F ( +g  `  Y ) ( ( invg `  Y
) `  G )
)  =  ( F  oF ( +g  `  R ) ( ( invg `  Y
) `  G )
) )
33 pwssub.m . . . . . 6  |-  M  =  ( -g `  R
)
343, 30, 9, 33grpsubval 13690 . . . . 5  |-  ( ( ( F `  x
)  e.  ( Base `  R )  /\  ( G `  x )  e.  ( Base `  R
) )  ->  (
( F `  x
) M ( G `
 x ) )  =  ( ( F `
 x ) ( +g  `  R ) ( ( invg `  R ) `  ( G `  x )
) ) )
358, 15, 34syl2anc 411 . . . 4  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  (
( F `  x
) M ( G `
 x ) )  =  ( ( F `
 x ) ( +g  `  R ) ( ( invg `  R ) `  ( G `  x )
) ) )
3635mpteq2dva 4184 . . 3  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( x  e.  I  |->  ( ( F `  x ) M ( G `  x ) ) )  =  ( x  e.  I  |->  ( ( F `  x
) ( +g  `  R
) ( ( invg `  R ) `
 ( G `  x ) ) ) ) )
3726, 32, 363eqtr4d 2274 . 2  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F ( +g  `  Y ) ( ( invg `  Y
) `  G )
)  =  ( x  e.  I  |->  ( ( F `  x ) M ( G `  x ) ) ) )
38 pwssub.n . . . 4  |-  .-  =  ( -g `  Y )
394, 31, 18, 38grpsubval 13690 . . 3  |-  ( ( F  e.  B  /\  G  e.  B )  ->  ( F  .-  G
)  =  ( F ( +g  `  Y
) ( ( invg `  Y ) `
 G ) ) )
4039adantl 277 . 2  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F  .-  G
)  =  ( F ( +g  `  Y
) ( ( invg `  Y ) `
 G ) ) )
411, 8, 15, 17, 21offval2 6260 . 2  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F  oF M G )  =  ( x  e.  I  |->  ( ( F `  x ) M ( G `  x ) ) ) )
4237, 40, 413eqtr4d 2274 1  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( F  .-  G
)  =  ( F  oF M G ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1398    e. wcel 2202    |-> cmpt 4155    o. ccom 4735   -->wf 5329   ` cfv 5333  (class class class)co 6028    oFcof 6242   Basecbs 13143   +g cplusg 13221    ^s cpws 13410   Grpcgrp 13644   invgcminusg 13645   -gcsg 13646
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 2204  ax-14 2205  ax-ext 2213  ax-coll 4209  ax-sep 4212  ax-pow 4270  ax-pr 4305  ax-un 4536  ax-setind 4641  ax-cnex 8166  ax-resscn 8167  ax-1cn 8168  ax-1re 8169  ax-icn 8170  ax-addcl 8171  ax-addrcl 8172  ax-mulcl 8173  ax-addcom 8175  ax-mulcom 8176  ax-addass 8177  ax-mulass 8178  ax-distr 8179  ax-i2m1 8180  ax-0lt1 8181  ax-1rid 8182  ax-0id 8183  ax-rnegex 8184  ax-cnre 8186  ax-pre-ltirr 8187  ax-pre-ltwlin 8188  ax-pre-lttrn 8189  ax-pre-apti 8190  ax-pre-ltadd 8191
This theorem depends on definitions:  df-bi 117  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ne 2404  df-nel 2499  df-ral 2516  df-rex 2517  df-reu 2518  df-rmo 2519  df-rab 2520  df-v 2805  df-sbc 3033  df-csb 3129  df-dif 3203  df-un 3205  df-in 3207  df-ss 3214  df-nul 3497  df-pw 3658  df-sn 3679  df-pr 3680  df-tp 3681  df-op 3682  df-uni 3899  df-int 3934  df-iun 3977  df-br 4094  df-opab 4156  df-mpt 4157  df-id 4396  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-rn 4742  df-res 4743  df-ima 4744  df-iota 5293  df-fun 5335  df-fn 5336  df-f 5337  df-f1 5338  df-fo 5339  df-f1o 5340  df-fv 5341  df-riota 5981  df-ov 6031  df-oprab 6032  df-mpo 6033  df-of 6244  df-1st 6312  df-2nd 6313  df-map 6862  df-ixp 6911  df-sup 7226  df-pnf 8259  df-mnf 8260  df-xr 8261  df-ltxr 8262  df-le 8263  df-sub 8395  df-neg 8396  df-inn 9187  df-2 9245  df-3 9246  df-4 9247  df-5 9248  df-6 9249  df-7 9250  df-8 9251  df-9 9252  df-n0 9446  df-z 9523  df-dec 9655  df-uz 9799  df-fz 10287  df-struct 13145  df-ndx 13146  df-slot 13147  df-base 13149  df-plusg 13234  df-mulr 13235  df-sca 13237  df-vsca 13238  df-ip 13239  df-tset 13240  df-ple 13241  df-ds 13243  df-hom 13245  df-cco 13246  df-rest 13385  df-topn 13386  df-0g 13402  df-topgen 13404  df-pt 13405  df-prds 13411  df-pws 13434  df-mgm 13500  df-sgrp 13546  df-mnd 13561  df-grp 13647  df-minusg 13648  df-sbg 13649
This theorem is referenced by: (None)
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