Theorem pw2dvdslemn 12892

Description: Lemma for pw2dvds 12893. If a natural number has some power of two which does not divide it, there is a highest power of two which does divide it. (Contributed by Jim Kingdon, 14-Nov-2021.)

Assertion

Ref	Expression
pw2dvdslemn	|- ( ( N e. NN /\ A e. NN /\ -. ( 2 ^ A ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )

Distinct variable group:   m, N

Allowed substitution hint:   A( m)

Proof of Theorem pw2dvdslemn

Dummy variables w k are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		3simpb 1022	. 2 |- ( ( N e. NN /\ A e. NN /\ -. ( 2 ^ A ) || N ) -> ( N e. NN /\ -. ( 2 ^ A ) || N ) )
2		oveq2 6067	. . . . . . . 8 |- ( w = 1 -> ( 2 ^ w ) = ( 2 ^ 1 ) )
3	2	breq1d 4125	. . . . . . 7 |- ( w = 1 -> ( ( 2 ^ w ) || N <-> ( 2 ^ 1 ) || N ) )
4	3	notbid 673	. . . . . 6 |- ( w = 1 -> ( -. ( 2 ^ w ) || N <-> -. ( 2 ^ 1 ) || N ) )
5	4	anbi2d 464	. . . . 5 |- ( w = 1 -> ( ( N e. NN /\ -. ( 2 ^ w ) || N ) <-> ( N e. NN /\ -. ( 2 ^ 1 ) || N ) ) )
6	5	imbi1d 231	. . . 4 |- ( w = 1 -> ( ( ( N e. NN /\ -. ( 2 ^ w ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) <-> ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) )
7		oveq2 6067	. . . . . . . 8 |- ( w = k -> ( 2 ^ w ) = ( 2 ^ k ) )
8	7	breq1d 4125	. . . . . . 7 |- ( w = k -> ( ( 2 ^ w ) || N <-> ( 2 ^ k ) || N ) )
9	8	notbid 673	. . . . . 6 |- ( w = k -> ( -. ( 2 ^ w ) || N <-> -. ( 2 ^ k ) || N ) )
10	9	anbi2d 464	. . . . 5 |- ( w = k -> ( ( N e. NN /\ -. ( 2 ^ w ) || N ) <-> ( N e. NN /\ -. ( 2 ^ k ) || N ) ) )
11	10	imbi1d 231	. . . 4 |- ( w = k -> ( ( ( N e. NN /\ -. ( 2 ^ w ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) <-> ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) )
12		oveq2 6067	. . . . . . . 8 |- ( w = ( k + 1 ) -> ( 2 ^ w ) = ( 2 ^ ( k + 1 ) ) )
13	12	breq1d 4125	. . . . . . 7 |- ( w = ( k + 1 ) -> ( ( 2 ^ w ) || N <-> ( 2 ^ ( k + 1 ) ) || N ) )
14	13	notbid 673	. . . . . 6 |- ( w = ( k + 1 ) -> ( -. ( 2 ^ w ) || N <-> -. ( 2 ^ ( k + 1 ) ) || N ) )
15	14	anbi2d 464	. . . . 5 |- ( w = ( k + 1 ) -> ( ( N e. NN /\ -. ( 2 ^ w ) || N ) <-> ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) )
16	15	imbi1d 231	. . . 4 |- ( w = ( k + 1 ) -> ( ( ( N e. NN /\ -. ( 2 ^ w ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) <-> ( ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) )
17		oveq2 6067	. . . . . . . 8 |- ( w = A -> ( 2 ^ w ) = ( 2 ^ A ) )
18	17	breq1d 4125	. . . . . . 7 |- ( w = A -> ( ( 2 ^ w ) || N <-> ( 2 ^ A ) || N ) )
19	18	notbid 673	. . . . . 6 |- ( w = A -> ( -. ( 2 ^ w ) || N <-> -. ( 2 ^ A ) || N ) )
20	19	anbi2d 464	. . . . 5 |- ( w = A -> ( ( N e. NN /\ -. ( 2 ^ w ) || N ) <-> ( N e. NN /\ -. ( 2 ^ A ) || N ) ) )
21	20	imbi1d 231	. . . 4 |- ( w = A -> ( ( ( N e. NN /\ -. ( 2 ^ w ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) <-> ( ( N e. NN /\ -. ( 2 ^ A ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) )
22		0nn0 9532	. . . . . 6 |- 0 e. NN0
23	22	a1i 9	. . . . 5 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> 0 e. NN0 )
24		oveq2 6067	. . . . . . . 8 |- ( m = 0 -> ( 2 ^ m ) = ( 2 ^ 0 ) )
25	24	breq1d 4125	. . . . . . 7 |- ( m = 0 -> ( ( 2 ^ m ) || N <-> ( 2 ^ 0 ) || N ) )
26		oveq1 6066	. . . . . . . . . 10 |- ( m = 0 -> ( m + 1 ) = ( 0 + 1 ) )
27	26	oveq2d 6075	. . . . . . . . 9 |- ( m = 0 -> ( 2 ^ ( m + 1 ) ) = ( 2 ^ ( 0 + 1 ) ) )
28	27	breq1d 4125	. . . . . . . 8 |- ( m = 0 -> ( ( 2 ^ ( m + 1 ) ) || N <-> ( 2 ^ ( 0 + 1 ) ) || N ) )
29	28	notbid 673	. . . . . . 7 |- ( m = 0 -> ( -. ( 2 ^ ( m + 1 ) ) || N <-> -. ( 2 ^ ( 0 + 1 ) ) || N ) )
30	25, 29	anbi12d 473	. . . . . 6 |- ( m = 0 -> ( ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) <-> ( ( 2 ^ 0 ) || N /\ -. ( 2 ^ ( 0 + 1 ) ) || N ) ) )
31	30	adantl 277	. . . . 5 |- ( ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) /\ m = 0 ) -> ( ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) <-> ( ( 2 ^ 0 ) || N /\ -. ( 2 ^ ( 0 + 1 ) ) || N ) ) )
32		2cnd 9331	. . . . . . . 8 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> 2 e. CC )
33	32	exp0d 11058	. . . . . . 7 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> ( 2 ^ 0 ) = 1 )
34		simpl 109	. . . . . . . . 9 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> N e. NN )
35	34	nnzd 9721	. . . . . . . 8 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> N e. ZZ )
36		1dvds 12521	. . . . . . . 8 |- ( N e. ZZ -> 1 || N )
37	35, 36	syl 14	. . . . . . 7 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> 1 || N )
38	33, 37	eqbrtrd 4137	. . . . . 6 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> ( 2 ^ 0 ) || N )
39		simpr 110	. . . . . . 7 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> -. ( 2 ^ 1 ) || N )
40		0p1e1 9372	. . . . . . . . 9 |- ( 0 + 1 ) = 1
41	40	oveq2i 6070	. . . . . . . 8 |- ( 2 ^ ( 0 + 1 ) ) = ( 2 ^ 1 )
42	41	breq1i 4122	. . . . . . 7 |- ( ( 2 ^ ( 0 + 1 ) ) || N <-> ( 2 ^ 1 ) || N )
43	39, 42	sylnibr 684	. . . . . 6 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> -. ( 2 ^ ( 0 + 1 ) ) || N )
44	38, 43	jca 306	. . . . 5 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> ( ( 2 ^ 0 ) || N /\ -. ( 2 ^ ( 0 + 1 ) ) || N ) )
45	23, 31, 44	rspcedvd 2929	. . . 4 |- ( ( N e. NN /\ -. ( 2 ^ 1 ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )
46		simpll 527	. . . . . . . . 9 |- ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> k e. NN )
47	46	nnnn0d 9574	. . . . . . . 8 |- ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> k e. NN0 )
48		oveq2 6067	. . . . . . . . . . 11 |- ( m = k -> ( 2 ^ m ) = ( 2 ^ k ) )
49	48	breq1d 4125	. . . . . . . . . 10 |- ( m = k -> ( ( 2 ^ m ) || N <-> ( 2 ^ k ) || N ) )
50		oveq1 6066	. . . . . . . . . . . . 13 |- ( m = k -> ( m + 1 ) = ( k + 1 ) )
51	50	oveq2d 6075	. . . . . . . . . . . 12 |- ( m = k -> ( 2 ^ ( m + 1 ) ) = ( 2 ^ ( k + 1 ) ) )
52	51	breq1d 4125	. . . . . . . . . . 11 |- ( m = k -> ( ( 2 ^ ( m + 1 ) ) || N <-> ( 2 ^ ( k + 1 ) ) || N ) )
53	52	notbid 673	. . . . . . . . . 10 |- ( m = k -> ( -. ( 2 ^ ( m + 1 ) ) || N <-> -. ( 2 ^ ( k + 1 ) ) || N ) )
54	49, 53	anbi12d 473	. . . . . . . . 9 |- ( m = k -> ( ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) <-> ( ( 2 ^ k ) || N /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) )
55	54	adantl 277	. . . . . . . 8 |- ( ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) /\ m = k ) -> ( ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) <-> ( ( 2 ^ k ) || N /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) )
56		simpr 110	. . . . . . . . 9 |- ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> ( 2 ^ k ) || N )
57		simplrr 538	. . . . . . . . 9 |- ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> -. ( 2 ^ ( k + 1 ) ) || N )
58	56, 57	jca 306	. . . . . . . 8 |- ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> ( ( 2 ^ k ) || N /\ -. ( 2 ^ ( k + 1 ) ) || N ) )
59	47, 55, 58	rspcedvd 2929	. . . . . . 7 |- ( ( ( k e. NN /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )
60	59	adantllr 481	. . . . . 6 |- ( ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )
61		simprl 531	. . . . . . . 8 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> N e. NN )
62	61	anim1i 340	. . . . . . 7 |- ( ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ -. ( 2 ^ k ) || N ) -> ( N e. NN /\ -. ( 2 ^ k ) || N ) )
63		simpllr 536	. . . . . . 7 |- ( ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ -. ( 2 ^ k ) || N ) -> ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) )
64	62, 63	mpd 13	. . . . . 6 |- ( ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )
65		2nn 9420	. . . . . . . . 9 |- 2 e. NN
66		simpll 527	. . . . . . . . . 10 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> k e. NN )
67	66	nnnn0d 9574	. . . . . . . . 9 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> k e. NN0 )
68		nnexpcl 10942	. . . . . . . . 9 |- ( ( 2 e. NN /\ k e. NN0 ) -> ( 2 ^ k ) e. NN )
69	65, 67, 68	sylancr 414	. . . . . . . 8 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> ( 2 ^ k ) e. NN )
70	61	nnzd 9721	. . . . . . . 8 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> N e. ZZ )
71		dvdsdc 12514	. . . . . . . 8 |- ( ( ( 2 ^ k ) e. NN /\ N e. ZZ ) -> DECID ( 2 ^ k ) || N )
72	69, 70, 71	syl2anc 411	. . . . . . 7 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> DECID ( 2 ^ k ) || N )
73		exmiddc 844	. . . . . . 7 |- (DECID ( 2 ^ k ) || N -> ( ( 2 ^ k ) || N \/ -. ( 2 ^ k ) || N ) )
74	72, 73	syl 14	. . . . . 6 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> ( ( 2 ^ k ) || N \/ -. ( 2 ^ k ) || N ) )
75	60, 64, 74	mpjaodan 806	. . . . 5 |- ( ( ( k e. NN /\ ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) /\ ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )
76	75	exp31 364	. . . 4 |- ( k e. NN -> ( ( ( N e. NN /\ -. ( 2 ^ k ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) -> ( ( N e. NN /\ -. ( 2 ^ ( k + 1 ) ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) ) )
77	6, 11, 16, 21, 45, 76	nnind 9274	. . 3 |- ( A e. NN -> ( ( N e. NN /\ -. ( 2 ^ A ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) )
78	77	3ad2ant2 1046	. 2 |- ( ( N e. NN /\ A e. NN /\ -. ( 2 ^ A ) || N ) -> ( ( N e. NN /\ -. ( 2 ^ A ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) ) )
79	1, 78	mpd 13	1 |- ( ( N e. NN /\ A e. NN /\ -. ( 2 ^ A ) || N ) -> E. m e. NN0 ( ( 2 ^ m ) || N /\ -. ( 2 ^ ( m + 1 ) ) || N ) )

Syntax hints:   -. wn 3   -> wi 4   /\ wa 104   <-> wb 105   \/ wo 716  DECID wdc 842   /\ w3a 1005   = wceq 1398   e. wcel 2205   E.wrex 2523   class class class wbr 4115  (class class class)co 6059   0cc0 8144   1c1 8145   + caddc 8147   NNcn 9258   2c2 9309   NN0cn0 9517   ZZcz 9598   ^cexp 10928   || cdvds 12503

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 2207  ax-14 2208  ax-ext 2216  ax-coll 4231  ax-sep 4234  ax-nul 4242  ax-pow 4293  ax-pr 4328  ax-un 4560  ax-setind 4665  ax-iinf 4716  ax-cnex 8235  ax-resscn 8236  ax-1cn 8237  ax-1re 8238  ax-icn 8239  ax-addcl 8240  ax-addrcl 8241  ax-mulcl 8242  ax-mulrcl 8243  ax-addcom 8244  ax-mulcom 8245  ax-addass 8246  ax-mulass 8247  ax-distr 8248  ax-i2m1 8249  ax-0lt1 8250  ax-1rid 8251  ax-0id 8252  ax-rnegex 8253  ax-precex 8254  ax-cnre 8255  ax-pre-ltirr 8256  ax-pre-ltwlin 8257  ax-pre-lttrn 8258  ax-pre-apti 8259  ax-pre-ltadd 8260  ax-pre-mulgt0 8261  ax-pre-mulext 8262  ax-arch 8263

This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rmo 2530  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-if 3626  df-pw 3677  df-sn 3701  df-pr 3702  df-op 3704  df-uni 3921  df-int 3956  df-iun 3999  df-br 4116  df-opab 4178  df-mpt 4179  df-tr 4215  df-id 4420  df-po 4423  df-iso 4424  df-iord 4493  df-on 4495  df-ilim 4496  df-suc 4498  df-iom 4719  df-xp 4761  df-rel 4762  df-cnv 4763  df-co 4764  df-dm 4765  df-rn 4766  df-res 4767  df-ima 4768  df-iota 5318  df-fun 5360  df-fn 5361  df-f 5362  df-f1 5363  df-fo 5364  df-f1o 5365  df-fv 5366  df-riota 6012  df-ov 6062  df-oprab 6063  df-mpo 6064  df-1st 6348  df-2nd 6349  df-recs 6550  df-frec 6636  df-pnf 8327  df-mnf 8328  df-xr 8329  df-ltxr 8330  df-le 8331  df-sub 8464  df-neg 8465  df-reap 8868  df-ap 8875  df-div 8968  df-inn 9259  df-2 9317  df-n0 9518  df-z 9599  df-uz 9876  df-q 9974  df-rp 10009  df-fl 10658  df-mod 10713  df-seqfrec 10838  df-exp 10929  df-dvds 12504

This theorem is referenced by:  pw2dvds  12893