Theorem mulgnn0subcl 13586

Description: Closure of the group multiple (exponentiation) operation in a submonoid. (Contributed by Mario Carneiro, 10-Jan-2015.)

Hypotheses

Ref	Expression
mulgnnsubcl.b	|- B = ( Base ` G )
mulgnnsubcl.t	|- .x. = (.g ` G )
mulgnnsubcl.p	|- .+ = ( +g ` G )
mulgnnsubcl.g	|- ( ph -> G e. V )
mulgnnsubcl.s	|- ( ph -> S C_ B )
mulgnnsubcl.c	|- ( ( ph /\ x e. S /\ y e. S ) -> ( x .+ y ) e. S )
mulgnn0subcl.z	|- .0. = ( 0g ` G )
mulgnn0subcl.c	|- ( ph -> .0. e. S )

Assertion

Ref	Expression
mulgnn0subcl	|- ( ( ph /\ N e. NN0 /\ X e. S ) -> ( N .x. X ) e. S )

Distinct variable groups:   x, y, .+   x, B, y   x, G, y   x, N, y   x, S, y   ph, x, y   x, .x.   x, X, y

Allowed substitution hints:   .x. ( y)   V( x, y)   .0. ( x, y)

Proof of Theorem mulgnn0subcl

Step	Hyp	Ref	Expression
1		mulgnnsubcl.b	. . . . . 6 |- B = ( Base ` G )
2		mulgnnsubcl.t	. . . . . 6 |- .x. = (.g ` G )
3		mulgnnsubcl.p	. . . . . 6 |- .+ = ( +g ` G )
4		mulgnnsubcl.g	. . . . . 6 |- ( ph -> G e. V )
5		mulgnnsubcl.s	. . . . . 6 |- ( ph -> S C_ B )
6		mulgnnsubcl.c	. . . . . 6 |- ( ( ph /\ x e. S /\ y e. S ) -> ( x .+ y ) e. S )
7	1, 2, 3, 4, 5, 6	mulgnnsubcl 13585	. . . . 5 |- ( ( ph /\ N e. NN /\ X e. S ) -> ( N .x. X ) e. S )
8	7	3expa 1206	. . . 4 |- ( ( ( ph /\ N e. NN ) /\ X e. S ) -> ( N .x. X ) e. S )
9	8	an32s 568	. . 3 |- ( ( ( ph /\ X e. S ) /\ N e. NN ) -> ( N .x. X ) e. S )
10	9	3adantl2 1157	. 2 |- ( ( ( ph /\ N e. NN0 /\ X e. S ) /\ N e. NN ) -> ( N .x. X ) e. S )
11		oveq1 5974	. . . 4 |- ( N = 0 -> ( N .x. X ) = ( 0 .x. X ) )
12	5	3ad2ant1 1021	. . . . . 6 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> S C_ B )
13		simp3 1002	. . . . . 6 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> X e. S )
14	12, 13	sseldd 3202	. . . . 5 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> X e. B )
15		mulgnn0subcl.z	. . . . . 6 |- .0. = ( 0g ` G )
16	1, 15, 2	mulg0 13576	. . . . 5 |- ( X e. B -> ( 0 .x. X ) = .0. )
17	14, 16	syl 14	. . . 4 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> ( 0 .x. X ) = .0. )
18	11, 17	sylan9eqr 2262	. . 3 |- ( ( ( ph /\ N e. NN0 /\ X e. S ) /\ N = 0 ) -> ( N .x. X ) = .0. )
19		mulgnn0subcl.c	. . . . 5 |- ( ph -> .0. e. S )
20	19	3ad2ant1 1021	. . . 4 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> .0. e. S )
21	20	adantr 276	. . 3 |- ( ( ( ph /\ N e. NN0 /\ X e. S ) /\ N = 0 ) -> .0. e. S )
22	18, 21	eqeltrd 2284	. 2 |- ( ( ( ph /\ N e. NN0 /\ X e. S ) /\ N = 0 ) -> ( N .x. X ) e. S )
23		simp2 1001	. . 3 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> N e. NN0 )
24		elnn0 9332	. . 3 |- ( N e. NN0 <-> ( N e. NN \/ N = 0 ) )
25	23, 24	sylib 122	. 2 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> ( N e. NN \/ N = 0 ) )
26	10, 22, 25	mpjaodan 800	1 |- ( ( ph /\ N e. NN0 /\ X e. S ) -> ( N .x. X ) e. S )

Syntax hints:   -> wi 4   /\ wa 104   \/ wo 710   /\ w3a 981   = wceq 1373   e. wcel 2178   C_ wss 3174   ` cfv 5290  (class class class)co 5967   0cc0 7960   NNcn 9071   NN0cn0 9330   Basecbs 12947   +g cplusg 13024   0gc0g 13203  ._gcmg 13570

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 2180  ax-14 2181  ax-ext 2189  ax-coll 4175  ax-sep 4178  ax-nul 4186  ax-pow 4234  ax-pr 4269  ax-un 4498  ax-setind 4603  ax-iinf 4654  ax-cnex 8051  ax-resscn 8052  ax-1cn 8053  ax-1re 8054  ax-icn 8055  ax-addcl 8056  ax-addrcl 8057  ax-mulcl 8058  ax-addcom 8060  ax-addass 8062  ax-distr 8064  ax-i2m1 8065  ax-0lt1 8066  ax-0id 8068  ax-rnegex 8069  ax-cnre 8071  ax-pre-ltirr 8072  ax-pre-ltwlin 8073  ax-pre-lttrn 8074  ax-pre-ltadd 8076

This theorem depends on definitions:  df-bi 117  df-dc 837  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 2194  df-cleq 2200  df-clel 2203  df-nfc 2339  df-ne 2379  df-nel 2474  df-ral 2491  df-rex 2492  df-reu 2493  df-rab 2495  df-v 2778  df-sbc 3006  df-csb 3102  df-dif 3176  df-un 3178  df-in 3180  df-ss 3187  df-nul 3469  df-if 3580  df-pw 3628  df-sn 3649  df-pr 3650  df-op 3652  df-uni 3865  df-int 3900  df-iun 3943  df-br 4060  df-opab 4122  df-mpt 4123  df-tr 4159  df-id 4358  df-iord 4431  df-on 4433  df-ilim 4434  df-suc 4436  df-iom 4657  df-xp 4699  df-rel 4700  df-cnv 4701  df-co 4702  df-dm 4703  df-rn 4704  df-res 4705  df-ima 4706  df-iota 5251  df-fun 5292  df-fn 5293  df-f 5294  df-f1 5295  df-fo 5296  df-f1o 5297  df-fv 5298  df-riota 5922  df-ov 5970  df-oprab 5971  df-mpo 5972  df-1st 6249  df-2nd 6250  df-recs 6414  df-frec 6500  df-pnf 8144  df-mnf 8145  df-xr 8146  df-ltxr 8147  df-le 8148  df-sub 8280  df-neg 8281  df-inn 9072  df-2 9130  df-n0 9331  df-z 9408  df-uz 9684  df-seqfrec 10630  df-ndx 12950  df-slot 12951  df-base 12953  df-plusg 13037  df-0g 13205  df-minusg 13451  df-mulg 13571

This theorem is referenced by:  mulgsubcl  13587  mulgnn0cl  13589  submmulgcl  13616