Theorem assamulgscm 15043

Description: Exponentiation of a scalar multiplication in an associative algebra: ( a .x. X ) ^ N = ( a ^ N ) .X. ( X ^ N ). (Contributed by AV, 26-Aug-2019.)

Hypotheses

Ref	Expression
assamulgscm.v	|- V = ( Base ` W )
assamulgscm.f	|- F = (Scalar ` W )
assamulgscm.b	|- B = ( Base ` F )
assamulgscm.s	|- .x. = ( .s ` W )
assamulgscm.g	|- G = (mulGrp ` F )
assamulgscm.p	|- .^ = (.g ` G )
assamulgscm.h	|- H = (mulGrp ` W )
assamulgscm.e	|- E = (.g ` H )

Assertion

Ref	Expression
assamulgscm	|- ( ( W e. AssAlg /\ ( N e. NN0 /\ A e. B /\ X e. V ) ) -> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) )

Proof of Theorem assamulgscm

Dummy variables x y are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq1 6092	. . . . . . 7 |- ( x = 0 -> ( x E ( A .x. X ) ) = ( 0 E ( A .x. X ) ) )
2		oveq1 6092	. . . . . . . 8 |- ( x = 0 -> ( x .^ A ) = ( 0 .^ A ) )
3		oveq1 6092	. . . . . . . 8 |- ( x = 0 -> ( x E X ) = ( 0 E X ) )
4	2, 3	oveq12d 6103	. . . . . . 7 |- ( x = 0 -> ( ( x .^ A ) .x. ( x E X ) ) = ( ( 0 .^ A ) .x. ( 0 E X ) ) )
5	1, 4	eqeq12d 2253	. . . . . 6 |- ( x = 0 -> ( ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) <-> ( 0 E ( A .x. X ) ) = ( ( 0 .^ A ) .x. ( 0 E X ) ) ) )
6	5	imbi2d 230	. . . . 5 |- ( x = 0 -> ( ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) ) <-> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( 0 E ( A .x. X ) ) = ( ( 0 .^ A ) .x. ( 0 E X ) ) ) ) )
7		oveq1 6092	. . . . . . 7 |- ( x = y -> ( x E ( A .x. X ) ) = ( y E ( A .x. X ) ) )
8		oveq1 6092	. . . . . . . 8 |- ( x = y -> ( x .^ A ) = ( y .^ A ) )
9		oveq1 6092	. . . . . . . 8 |- ( x = y -> ( x E X ) = ( y E X ) )
10	8, 9	oveq12d 6103	. . . . . . 7 |- ( x = y -> ( ( x .^ A ) .x. ( x E X ) ) = ( ( y .^ A ) .x. ( y E X ) ) )
11	7, 10	eqeq12d 2253	. . . . . 6 |- ( x = y -> ( ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) <-> ( y E ( A .x. X ) ) = ( ( y .^ A ) .x. ( y E X ) ) ) )
12	11	imbi2d 230	. . . . 5 |- ( x = y -> ( ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) ) <-> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( y E ( A .x. X ) ) = ( ( y .^ A ) .x. ( y E X ) ) ) ) )
13		oveq1 6092	. . . . . . 7 |- ( x = ( y + 1 ) -> ( x E ( A .x. X ) ) = ( ( y + 1 ) E ( A .x. X ) ) )
14		oveq1 6092	. . . . . . . 8 |- ( x = ( y + 1 ) -> ( x .^ A ) = ( ( y + 1 ) .^ A ) )
15		oveq1 6092	. . . . . . . 8 |- ( x = ( y + 1 ) -> ( x E X ) = ( ( y + 1 ) E X ) )
16	14, 15	oveq12d 6103	. . . . . . 7 |- ( x = ( y + 1 ) -> ( ( x .^ A ) .x. ( x E X ) ) = ( ( ( y + 1 ) .^ A ) .x. ( ( y + 1 ) E X ) ) )
17	13, 16	eqeq12d 2253	. . . . . 6 |- ( x = ( y + 1 ) -> ( ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) <-> ( ( y + 1 ) E ( A .x. X ) ) = ( ( ( y + 1 ) .^ A ) .x. ( ( y + 1 ) E X ) ) ) )
18	17	imbi2d 230	. . . . 5 |- ( x = ( y + 1 ) -> ( ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) ) <-> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( ( y + 1 ) E ( A .x. X ) ) = ( ( ( y + 1 ) .^ A ) .x. ( ( y + 1 ) E X ) ) ) ) )
19		oveq1 6092	. . . . . . 7 |- ( x = N -> ( x E ( A .x. X ) ) = ( N E ( A .x. X ) ) )
20		oveq1 6092	. . . . . . . 8 |- ( x = N -> ( x .^ A ) = ( N .^ A ) )
21		oveq1 6092	. . . . . . . 8 |- ( x = N -> ( x E X ) = ( N E X ) )
22	20, 21	oveq12d 6103	. . . . . . 7 |- ( x = N -> ( ( x .^ A ) .x. ( x E X ) ) = ( ( N .^ A ) .x. ( N E X ) ) )
23	19, 22	eqeq12d 2253	. . . . . 6 |- ( x = N -> ( ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) <-> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) ) )
24	23	imbi2d 230	. . . . 5 |- ( x = N -> ( ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( x E ( A .x. X ) ) = ( ( x .^ A ) .x. ( x E X ) ) ) <-> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) ) ) )
25		assamulgscm.v	. . . . . 6 |- V = ( Base ` W )
26		assamulgscm.f	. . . . . 6 |- F = (Scalar ` W )
27		assamulgscm.b	. . . . . 6 |- B = ( Base ` F )
28		assamulgscm.s	. . . . . 6 |- .x. = ( .s ` W )
29		assamulgscm.g	. . . . . 6 |- G = (mulGrp ` F )
30		assamulgscm.p	. . . . . 6 |- .^ = (.g ` G )
31		assamulgscm.h	. . . . . 6 |- H = (mulGrp ` W )
32		assamulgscm.e	. . . . . 6 |- E = (.g ` H )
33	25, 26, 27, 28, 29, 30, 31, 32	assamulgscmlem1 15041	. . . . 5 |- ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( 0 E ( A .x. X ) ) = ( ( 0 .^ A ) .x. ( 0 E X ) ) )
34	25, 26, 27, 28, 29, 30, 31, 32	assamulgscmlem2 15042	. . . . . 6 |- ( y e. NN0 -> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( ( y E ( A .x. X ) ) = ( ( y .^ A ) .x. ( y E X ) ) -> ( ( y + 1 ) E ( A .x. X ) ) = ( ( ( y + 1 ) .^ A ) .x. ( ( y + 1 ) E X ) ) ) ) )
35	34	a2d 26	. . . . 5 |- ( y e. NN0 -> ( ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( y E ( A .x. X ) ) = ( ( y .^ A ) .x. ( y E X ) ) ) -> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( ( y + 1 ) E ( A .x. X ) ) = ( ( ( y + 1 ) .^ A ) .x. ( ( y + 1 ) E X ) ) ) ) )
36	6, 12, 18, 24, 33, 35	nn0ind 9760	. . . 4 |- ( N e. NN0 -> ( ( ( A e. B /\ X e. V ) /\ W e. AssAlg ) -> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) ) )
37	36	exp4c 368	. . 3 |- ( N e. NN0 -> ( A e. B -> ( X e. V -> ( W e. AssAlg -> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) ) ) ) )
38	37	3imp 1224	. 2 |- ( ( N e. NN0 /\ A e. B /\ X e. V ) -> ( W e. AssAlg -> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) ) )
39	38	impcom 125	1 |- ( ( W e. AssAlg /\ ( N e. NN0 /\ A e. B /\ X e. V ) ) -> ( N E ( A .x. X ) ) = ( ( N .^ A ) .x. ( N E X ) ) )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   /\ w3a 1009   = wceq 1402   e. wcel 2209   ` cfv 5377  (class class class)co 6085   0cc0 8179   1c1 8180   + caddc 8182   NN0cn0 9563   Basecbs 13352  Scalarcsca 13434   .scvsca 13435  ._gcmg 13922  mulGrpcmgp 14217  AssAlgcasa 14996

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  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 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-addcom 8279  ax-addass 8281  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-0id 8287  ax-rnegex 8288  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-ltadd 8295

This proof depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  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-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-frec 6662  df-pnf 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8499  df-neg 8500  df-inn 9305  df-2 9363  df-3 9364  df-4 9365  df-5 9366  df-6 9367  df-n0 9564  df-z 9645  df-uz 9922  df-seqfrec 10885  df-ndx 13355  df-slot 13356  df-base 13358  df-sets 13359  df-plusg 13444  df-mulr 13445  df-sca 13447  df-vsca 13448  df-0g 13612  df-mgm 13676  df-sgrp 13717  df-mnd 13730  df-minusg 13809  df-mulg 13923  df-mgp 14218  df-ur 14263  df-ring 14302  df-lmod 14625  df-assa 14999

This theorem is used by: (None)