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Theorem gsumwsubmcl 13058
Description: Closure of the composite in any submonoid. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 1-Oct-2015.)
Assertion
Ref Expression
gsumwsubmcl  |-  ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  ->  ( G  gsumg  W )  e.  S
)

Proof of Theorem gsumwsubmcl
Dummy variables  x  y  j are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 oveq2 5918 . . . . 5  |-  ( W  =  (/)  ->  ( G 
gsumg  W )  =  ( G  gsumg  (/) ) )
21adantl 277 . . . 4  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =  (/) )  ->  ( G  gsumg  W )  =  ( G  gsumg  (/) ) )
3 submrcl 13033 . . . . . 6  |-  ( S  e.  (SubMnd `  G
)  ->  G  e.  Mnd )
4 eqid 2193 . . . . . . 7  |-  ( 0g
`  G )  =  ( 0g `  G
)
54gsum0g 12969 . . . . . 6  |-  ( G  e.  Mnd  ->  ( G  gsumg  (/) )  =  ( 0g `  G ) )
63, 5syl 14 . . . . 5  |-  ( S  e.  (SubMnd `  G
)  ->  ( G  gsumg  (/) )  =  ( 0g
`  G ) )
76ad2antrr 488 . . . 4  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =  (/) )  ->  ( G  gsumg  (/) )  =  ( 0g `  G ) )
82, 7eqtrd 2226 . . 3  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =  (/) )  ->  ( G  gsumg  W )  =  ( 0g `  G ) )
94subm0cl 13040 . . . 4  |-  ( S  e.  (SubMnd `  G
)  ->  ( 0g `  G )  e.  S
)
109ad2antrr 488 . . 3  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =  (/) )  ->  ( 0g `  G )  e.  S )
118, 10eqeltrd 2270 . 2  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =  (/) )  ->  ( G  gsumg  W )  e.  S
)
12 eqid 2193 . . . 4  |-  ( Base `  G )  =  (
Base `  G )
13 eqid 2193 . . . 4  |-  ( +g  `  G )  =  ( +g  `  G )
143ad2antrr 488 . . . 4  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  G  e.  Mnd )
15 lennncl 10924 . . . . . . 7  |-  ( ( W  e. Word  S  /\  W  =/=  (/) )  ->  ( `  W )  e.  NN )
1615adantll 476 . . . . . 6  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  ( `  W )  e.  NN )
17 nnm1nn0 9271 . . . . . 6  |-  ( ( `  W )  e.  NN  ->  ( ( `  W
)  -  1 )  e.  NN0 )
1816, 17syl 14 . . . . 5  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  (
( `  W )  - 
1 )  e.  NN0 )
19 nn0uz 9617 . . . . 5  |-  NN0  =  ( ZZ>= `  0 )
2018, 19eleqtrdi 2286 . . . 4  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  (
( `  W )  - 
1 )  e.  (
ZZ>= `  0 ) )
21 wrdf 10910 . . . . . . 7  |-  ( W  e. Word  S  ->  W : ( 0..^ ( `  W ) ) --> S )
2221ad2antlr 489 . . . . . 6  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  W : ( 0..^ ( `  W ) ) --> S )
2316nnzd 9428 . . . . . . . 8  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  ( `  W )  e.  ZZ )
24 fzoval 10204 . . . . . . . 8  |-  ( ( `  W )  e.  ZZ  ->  ( 0..^ ( `  W
) )  =  ( 0 ... ( ( `  W )  -  1 ) ) )
2523, 24syl 14 . . . . . . 7  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  (
0..^ ( `  W )
)  =  ( 0 ... ( ( `  W
)  -  1 ) ) )
2625feq2d 5383 . . . . . 6  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  ( W : ( 0..^ ( `  W ) ) --> S  <-> 
W : ( 0 ... ( ( `  W
)  -  1 ) ) --> S ) )
2722, 26mpbid 147 . . . . 5  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  W : ( 0 ... ( ( `  W
)  -  1 ) ) --> S )
2812submss 13038 . . . . . 6  |-  ( S  e.  (SubMnd `  G
)  ->  S  C_  ( Base `  G ) )
2928ad2antrr 488 . . . . 5  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  S  C_  ( Base `  G
) )
3027, 29fssd 5408 . . . 4  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  W : ( 0 ... ( ( `  W
)  -  1 ) ) --> ( Base `  G
) )
3112, 13, 14, 20, 30gsumval2 12970 . . 3  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  ( G  gsumg  W )  =  (  seq 0 ( ( +g  `  G ) ,  W ) `  ( ( `  W )  -  1 ) ) )
32 fvexg 5565 . . . . 5  |-  ( ( W  e. Word  S  /\  x  e.  ( ZZ>= ` 
0 ) )  -> 
( W `  x
)  e.  _V )
3332ad4ant24 516 . . . 4  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  x  e.  ( ZZ>= ` 
0 ) )  -> 
( W `  x
)  e.  _V )
3427ffvelcdmda 5685 . . . 4  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  x  e.  ( 0 ... ( ( `  W
)  -  1 ) ) )  ->  ( W `  x )  e.  S )
3513submcl 13041 . . . . . 6  |-  ( ( S  e.  (SubMnd `  G )  /\  x  e.  S  /\  y  e.  S )  ->  (
x ( +g  `  G
) y )  e.  S )
36353expb 1206 . . . . 5  |-  ( ( S  e.  (SubMnd `  G )  /\  (
x  e.  S  /\  y  e.  S )
)  ->  ( x
( +g  `  G ) y )  e.  S
)
3736ad4ant14 514 . . . 4  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  ( x  e.  S  /\  y  e.  S
) )  ->  (
x ( +g  `  G
) y )  e.  S )
38 ssv 3201 . . . . 5  |-  S  C_  _V
3938a1i 9 . . . 4  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  S  C_ 
_V )
40 simprl 529 . . . . 5  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  ( x  e.  _V  /\  y  e.  _V )
)  ->  x  e.  _V )
4114adantr 276 . . . . . 6  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  ( x  e.  _V  /\  y  e.  _V )
)  ->  G  e.  Mnd )
42 plusgslid 12720 . . . . . . 7  |-  ( +g  = Slot  ( +g  `  ndx )  /\  ( +g  `  ndx )  e.  NN )
4342slotex 12635 . . . . . 6  |-  ( G  e.  Mnd  ->  ( +g  `  G )  e. 
_V )
4441, 43syl 14 . . . . 5  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  ( x  e.  _V  /\  y  e.  _V )
)  ->  ( +g  `  G )  e.  _V )
45 simprr 531 . . . . 5  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  ( x  e.  _V  /\  y  e.  _V )
)  ->  y  e.  _V )
46 ovexg 5944 . . . . 5  |-  ( ( x  e.  _V  /\  ( +g  `  G )  e.  _V  /\  y  e.  _V )  ->  (
x ( +g  `  G
) y )  e. 
_V )
4740, 44, 45, 46syl3anc 1249 . . . 4  |-  ( ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  /\  ( x  e.  _V  /\  y  e.  _V )
)  ->  ( x
( +g  `  G ) y )  e.  _V )
4820, 33, 34, 37, 39, 47seq3clss 10532 . . 3  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  (  seq 0 ( ( +g  `  G ) ,  W
) `  ( ( `  W )  -  1 ) )  e.  S
)
4931, 48eqeltrd 2270 . 2  |-  ( ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  /\  W  =/=  (/) )  ->  ( G  gsumg  W )  e.  S
)
50 wrdfin 10923 . . . . 5  |-  ( W  e. Word  S  ->  W  e.  Fin )
51 fin0or 6933 . . . . 5  |-  ( W  e.  Fin  ->  ( W  =  (/)  \/  E. j  j  e.  W
) )
5250, 51syl 14 . . . 4  |-  ( W  e. Word  S  ->  ( W  =  (/)  \/  E. j  j  e.  W
) )
53 n0r 3460 . . . . 5  |-  ( E. j  j  e.  W  ->  W  =/=  (/) )
5453orim2i 762 . . . 4  |-  ( ( W  =  (/)  \/  E. j  j  e.  W
)  ->  ( W  =  (/)  \/  W  =/=  (/) ) )
5552, 54syl 14 . . 3  |-  ( W  e. Word  S  ->  ( W  =  (/)  \/  W  =/=  (/) ) )
5655adantl 277 . 2  |-  ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  ->  ( W  =  (/)  \/  W  =/=  (/) ) )
5711, 49, 56mpjaodan 799 1  |-  ( ( S  e.  (SubMnd `  G )  /\  W  e. Word  S )  ->  ( G  gsumg  W )  e.  S
)
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    \/ wo 709    = wceq 1364   E.wex 1503    e. wcel 2164    =/= wne 2364   _Vcvv 2760    C_ wss 3153   (/)c0 3446   -->wf 5242   ` cfv 5246  (class class class)co 5910   Fincfn 6785   0cc0 7862   1c1 7863    - cmin 8180   NNcn 8972   NN0cn0 9230   ZZcz 9307   ZZ>=cuz 9582   ...cfz 10064  ..^cfzo 10198    seqcseq 10508  ♯chash 10836  Word cword 10904   Basecbs 12608   +g cplusg 12685   0gc0g 12857    gsumg cgsu 12858   Mndcmnd 12987  SubMndcsubmnd 13020
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 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-13 2166  ax-14 2167  ax-ext 2175  ax-coll 4144  ax-sep 4147  ax-nul 4155  ax-pow 4203  ax-pr 4238  ax-un 4462  ax-setind 4565  ax-iinf 4616  ax-cnex 7953  ax-resscn 7954  ax-1cn 7955  ax-1re 7956  ax-icn 7957  ax-addcl 7958  ax-addrcl 7959  ax-mulcl 7960  ax-addcom 7962  ax-addass 7964  ax-distr 7966  ax-i2m1 7967  ax-0lt1 7968  ax-0id 7970  ax-rnegex 7971  ax-cnre 7973  ax-pre-ltirr 7974  ax-pre-ltwlin 7975  ax-pre-lttrn 7976  ax-pre-apti 7977  ax-pre-ltadd 7978
This theorem depends on definitions:  df-bi 117  df-dc 836  df-3or 981  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-eu 2045  df-mo 2046  df-clab 2180  df-cleq 2186  df-clel 2189  df-nfc 2325  df-ne 2365  df-nel 2460  df-ral 2477  df-rex 2478  df-reu 2479  df-rab 2481  df-v 2762  df-sbc 2986  df-csb 3081  df-dif 3155  df-un 3157  df-in 3159  df-ss 3166  df-nul 3447  df-if 3558  df-pw 3603  df-sn 3624  df-pr 3625  df-op 3627  df-uni 3836  df-int 3871  df-iun 3914  df-br 4030  df-opab 4091  df-mpt 4092  df-tr 4128  df-id 4322  df-iord 4395  df-on 4397  df-ilim 4398  df-suc 4400  df-iom 4619  df-xp 4661  df-rel 4662  df-cnv 4663  df-co 4664  df-dm 4665  df-rn 4666  df-res 4667  df-ima 4668  df-iota 5207  df-fun 5248  df-fn 5249  df-f 5250  df-f1 5251  df-fo 5252  df-f1o 5253  df-fv 5254  df-riota 5865  df-ov 5913  df-oprab 5914  df-mpo 5915  df-1st 6184  df-2nd 6185  df-recs 6349  df-frec 6435  df-1o 6460  df-er 6578  df-en 6786  df-dom 6787  df-fin 6788  df-pnf 8046  df-mnf 8047  df-xr 8048  df-ltxr 8049  df-le 8050  df-sub 8182  df-neg 8183  df-inn 8973  df-2 9031  df-n0 9231  df-z 9308  df-uz 9583  df-fz 10065  df-fzo 10199  df-seqfrec 10509  df-ihash 10837  df-word 10905  df-ndx 12611  df-slot 12612  df-base 12614  df-plusg 12698  df-0g 12859  df-igsum 12860  df-submnd 13022
This theorem is referenced by:  gsumwcl  13059
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