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Theorem pwssub 13489
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 528 . . . 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 2206 . . . . . 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 529 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  F  e.  B )
72, 3, 4, 5, 1, 6pwselbas 13170 . . . . 5  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  F : I --> ( Base `  R ) )
87ffvelcdmda 5722 . . . 4  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  ( F `  x )  e.  ( Base `  R
) )
9 eqid 2206 . . . . . . . 8  |-  ( invg `  R )  =  ( invg `  R )
103, 9grpinvf 13423 . . . . . . 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 531 . . . . . . 7  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  G  e.  B )
142, 3, 4, 5, 1, 13pwselbas 13170 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  G : I --> ( Base `  R ) )
1514ffvelcdmda 5722 . . . . 5  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  ( G `  x )  e.  ( Base `  R
) )
1612, 15ffvelcdmd 5723 . . . 4  |-  ( ( ( ( R  e. 
Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B )
)  /\  x  e.  I )  ->  (
( invg `  R ) `  ( G `  x )
)  e.  ( Base `  R ) )
177feqmptd 5639 . . . 4  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  F  =  ( x  e.  I  |->  ( F `
 x ) ) )
18 eqid 2206 . . . . . . 7  |-  ( invg `  Y )  =  ( invg `  Y )
192, 4, 9, 18pwsinvg 13488 . . . . . 6  |-  ( ( R  e.  Grp  /\  I  e.  V  /\  G  e.  B )  ->  ( ( invg `  Y ) `  G
)  =  ( ( invg `  R
)  o.  G ) )
205, 1, 13, 19syl3anc 1250 . . . . 5  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( ( invg `  Y ) `  G
)  =  ( ( invg `  R
)  o.  G ) )
2114feqmptd 5639 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  ->  G  =  ( x  e.  I  |->  ( G `
 x ) ) )
2211feqmptd 5639 . . . . . 6  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( invg `  R )  =  ( y  e.  ( Base `  R )  |->  ( ( invg `  R
) `  y )
) )
23 fveq2 5583 . . . . . 6  |-  ( y  =  ( G `  x )  ->  (
( invg `  R ) `  y
)  =  ( ( invg `  R
) `  ( G `  x ) ) )
2415, 21, 22, 23fmptco 5753 . . . . 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 2239 . . . 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 6181 . . 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 13487 . . . . 5  |-  ( ( R  e.  Grp  /\  I  e.  V )  ->  Y  e.  Grp )
284, 18grpinvcl 13424 . . . . 5  |-  ( ( Y  e.  Grp  /\  G  e.  B )  ->  ( ( invg `  Y ) `  G
)  e.  B )
2927, 13, 28syl2an2r 595 . . . 4  |-  ( ( ( R  e.  Grp  /\  I  e.  V )  /\  ( F  e.  B  /\  G  e.  B ) )  -> 
( ( invg `  Y ) `  G
)  e.  B )
30 eqid 2206 . . . 4  |-  ( +g  `  R )  =  ( +g  `  R )
31 eqid 2206 . . . 4  |-  ( +g  `  Y )  =  ( +g  `  Y )
322, 4, 5, 1, 6, 29, 30, 31pwsplusgval 13171 . . 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 13422 . . . . 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 4138 . . 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 2249 . 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 13422 . . 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 6181 . 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 2249 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 1373    e. wcel 2177    |-> cmpt 4109    o. ccom 4683   -->wf 5272   ` cfv 5276  (class class class)co 5951    oFcof 6163   Basecbs 12876   +g cplusg 12953    ^s cpws 13142   Grpcgrp 13376   invgcminusg 13377   -gcsg 13378
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 615  ax-in2 616  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-13 2179  ax-14 2180  ax-ext 2188  ax-coll 4163  ax-sep 4166  ax-pow 4222  ax-pr 4257  ax-un 4484  ax-setind 4589  ax-cnex 8023  ax-resscn 8024  ax-1cn 8025  ax-1re 8026  ax-icn 8027  ax-addcl 8028  ax-addrcl 8029  ax-mulcl 8030  ax-addcom 8032  ax-mulcom 8033  ax-addass 8034  ax-mulass 8035  ax-distr 8036  ax-i2m1 8037  ax-0lt1 8038  ax-1rid 8039  ax-0id 8040  ax-rnegex 8041  ax-cnre 8043  ax-pre-ltirr 8044  ax-pre-ltwlin 8045  ax-pre-lttrn 8046  ax-pre-apti 8047  ax-pre-ltadd 8048
This theorem depends on definitions:  df-bi 117  df-3or 982  df-3an 983  df-tru 1376  df-fal 1379  df-nf 1485  df-sb 1787  df-eu 2058  df-mo 2059  df-clab 2193  df-cleq 2199  df-clel 2202  df-nfc 2338  df-ne 2378  df-nel 2473  df-ral 2490  df-rex 2491  df-reu 2492  df-rmo 2493  df-rab 2494  df-v 2775  df-sbc 3000  df-csb 3095  df-dif 3169  df-un 3171  df-in 3173  df-ss 3180  df-nul 3462  df-pw 3619  df-sn 3640  df-pr 3641  df-tp 3642  df-op 3643  df-uni 3853  df-int 3888  df-iun 3931  df-br 4048  df-opab 4110  df-mpt 4111  df-id 4344  df-xp 4685  df-rel 4686  df-cnv 4687  df-co 4688  df-dm 4689  df-rn 4690  df-res 4691  df-ima 4692  df-iota 5237  df-fun 5278  df-fn 5279  df-f 5280  df-f1 5281  df-fo 5282  df-f1o 5283  df-fv 5284  df-riota 5906  df-ov 5954  df-oprab 5955  df-mpo 5956  df-of 6165  df-1st 6233  df-2nd 6234  df-map 6744  df-ixp 6793  df-sup 7093  df-pnf 8116  df-mnf 8117  df-xr 8118  df-ltxr 8119  df-le 8120  df-sub 8252  df-neg 8253  df-inn 9044  df-2 9102  df-3 9103  df-4 9104  df-5 9105  df-6 9106  df-7 9107  df-8 9108  df-9 9109  df-n0 9303  df-z 9380  df-dec 9512  df-uz 9656  df-fz 10138  df-struct 12878  df-ndx 12879  df-slot 12880  df-base 12882  df-plusg 12966  df-mulr 12967  df-sca 12969  df-vsca 12970  df-ip 12971  df-tset 12972  df-ple 12973  df-ds 12975  df-hom 12977  df-cco 12978  df-rest 13117  df-topn 13118  df-0g 13134  df-topgen 13136  df-pt 13137  df-prds 13143  df-pws 13166  df-mgm 13232  df-sgrp 13278  df-mnd 13293  df-grp 13379  df-minusg 13380  df-sbg 13381
This theorem is referenced by: (None)
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