Theorem divalglemnn 11925

Description: Lemma for divalg 11931. Existence for a positive denominator. (Contributed by Jim Kingdon, 30-Nov-2021.)

Assertion

Ref	Expression
divalglemnn	|- ( ( N e. ZZ /\ D e. NN ) -> E. r e. ZZ E. q e. ZZ ( 0 <_ r /\ r < ( abs ` D ) /\ N = ( ( q x. D ) + r ) ) )

Distinct variable groups:   D, q, r   N, q, r

Proof of Theorem divalglemnn

Step	Hyp	Ref	Expression
1		zmodcl 10346	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> ( N mod D ) e. NN0 )
2	1	nn0zd 9375	. 2 |- ( ( N e. ZZ /\ D e. NN ) -> ( N mod D ) e. ZZ )
3		znq 9626	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> ( N / D ) e. QQ )
4	3	flqcld 10279	. 2 |- ( ( N e. ZZ /\ D e. NN ) -> ( |_ ` ( N / D ) ) e. ZZ )
5	1	nn0ge0d 9234	. 2 |- ( ( N e. ZZ /\ D e. NN ) -> 0 <_ ( N mod D ) )
6		zq 9628	. . . . 5 |- ( N e. ZZ -> N e. QQ )
7	6	adantr 276	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> N e. QQ )
8		nnq 9635	. . . . 5 |- ( D e. NN -> D e. QQ )
9	8	adantl 277	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> D e. QQ )
10		nngt0 8946	. . . . 5 |- ( D e. NN -> 0 < D )
11	10	adantl 277	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> 0 < D )
12		modqlt 10335	. . . 4 |- ( ( N e. QQ /\ D e. QQ /\ 0 < D ) -> ( N mod D ) < D )
13	7, 9, 11, 12	syl3anc 1238	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> ( N mod D ) < D )
14		nnre 8928	. . . . 5 |- ( D e. NN -> D e. RR )
15	14	adantl 277	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> D e. RR )
16		0red 7960	. . . . 5 |- ( ( N e. ZZ /\ D e. NN ) -> 0 e. RR )
17	16, 15, 11	ltled 8078	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> 0 <_ D )
18	15, 17	absidd 11178	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> ( abs ` D ) = D )
19	13, 18	breqtrrd 4033	. 2 |- ( ( N e. ZZ /\ D e. NN ) -> ( N mod D ) < ( abs ` D ) )
20	1	nn0cnd 9233	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> ( N mod D ) e. CC )
21	4	zcnd 9378	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> ( |_ ` ( N / D ) ) e. CC )
22		simpr 110	. . . . 5 |- ( ( N e. ZZ /\ D e. NN ) -> D e. NN )
23	22	nncnd 8935	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> D e. CC )
24	21, 23	mulcld 7980	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> ( ( |_ ` ( N / D ) ) x. D ) e. CC )
25		modqvalr 10327	. . . . . 6 |- ( ( N e. QQ /\ D e. QQ /\ 0 < D ) -> ( N mod D ) = ( N - ( ( |_ ` ( N / D ) ) x. D ) ) )
26	7, 9, 11, 25	syl3anc 1238	. . . . 5 |- ( ( N e. ZZ /\ D e. NN ) -> ( N mod D ) = ( N - ( ( |_ ` ( N / D ) ) x. D ) ) )
27	26	oveq1d 5892	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> ( ( N mod D ) + ( ( |_ ` ( N / D ) ) x. D ) ) = ( ( N - ( ( |_ ` ( N / D ) ) x. D ) ) + ( ( |_ ` ( N / D ) ) x. D ) ) )
28		simpl 109	. . . . . 6 |- ( ( N e. ZZ /\ D e. NN ) -> N e. ZZ )
29	28	zcnd 9378	. . . . 5 |- ( ( N e. ZZ /\ D e. NN ) -> N e. CC )
30	29, 24	npcand 8274	. . . 4 |- ( ( N e. ZZ /\ D e. NN ) -> ( ( N - ( ( |_ ` ( N / D ) ) x. D ) ) + ( ( |_ ` ( N / D ) ) x. D ) ) = N )
31	27, 30	eqtr2d 2211	. . 3 |- ( ( N e. ZZ /\ D e. NN ) -> N = ( ( N mod D ) + ( ( |_ ` ( N / D ) ) x. D ) ) )
32	20, 24, 31	comraddd 8116	. 2 |- ( ( N e. ZZ /\ D e. NN ) -> N = ( ( ( |_ ` ( N / D ) ) x. D ) + ( N mod D ) ) )
33		breq2 4009	. . . 4 |- ( r = ( N mod D ) -> ( 0 <_ r <-> 0 <_ ( N mod D ) ) )
34		breq1 4008	. . . 4 |- ( r = ( N mod D ) -> ( r < ( abs ` D ) <-> ( N mod D ) < ( abs ` D ) ) )
35		oveq2 5885	. . . . 5 |- ( r = ( N mod D ) -> ( ( q x. D ) + r ) = ( ( q x. D ) + ( N mod D ) ) )
36	35	eqeq2d 2189	. . . 4 |- ( r = ( N mod D ) -> ( N = ( ( q x. D ) + r ) <-> N = ( ( q x. D ) + ( N mod D ) ) ) )
37	33, 34, 36	3anbi123d 1312	. . 3 |- ( r = ( N mod D ) -> ( ( 0 <_ r /\ r < ( abs ` D ) /\ N = ( ( q x. D ) + r ) ) <-> ( 0 <_ ( N mod D ) /\ ( N mod D ) < ( abs ` D ) /\ N = ( ( q x. D ) + ( N mod D ) ) ) ) )
38		oveq1 5884	. . . . . 6 |- ( q = ( |_ ` ( N / D ) ) -> ( q x. D ) = ( ( |_ ` ( N / D ) ) x. D ) )
39	38	oveq1d 5892	. . . . 5 |- ( q = ( |_ ` ( N / D ) ) -> ( ( q x. D ) + ( N mod D ) ) = ( ( ( |_ ` ( N / D ) ) x. D ) + ( N mod D ) ) )
40	39	eqeq2d 2189	. . . 4 |- ( q = ( |_ ` ( N / D ) ) -> ( N = ( ( q x. D ) + ( N mod D ) ) <-> N = ( ( ( |_ ` ( N / D ) ) x. D ) + ( N mod D ) ) ) )
41	40	3anbi3d 1318	. . 3 |- ( q = ( |_ ` ( N / D ) ) -> ( ( 0 <_ ( N mod D ) /\ ( N mod D ) < ( abs ` D ) /\ N = ( ( q x. D ) + ( N mod D ) ) ) <-> ( 0 <_ ( N mod D ) /\ ( N mod D ) < ( abs ` D ) /\ N = ( ( ( |_ ` ( N / D ) ) x. D ) + ( N mod D ) ) ) ) )
42	37, 41	rspc2ev 2858	. 2 |- ( ( ( N mod D ) e. ZZ /\ ( |_ ` ( N / D ) ) e. ZZ /\ ( 0 <_ ( N mod D ) /\ ( N mod D ) < ( abs ` D ) /\ N = ( ( ( |_ ` ( N / D ) ) x. D ) + ( N mod D ) ) ) ) -> E. r e. ZZ E. q e. ZZ ( 0 <_ r /\ r < ( abs ` D ) /\ N = ( ( q x. D ) + r ) ) )
43	2, 4, 5, 19, 32, 42	syl113anc 1250	1 |- ( ( N e. ZZ /\ D e. NN ) -> E. r e. ZZ E. q e. ZZ ( 0 <_ r /\ r < ( abs ` D ) /\ N = ( ( q x. D ) + r ) ) )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 978   = wceq 1353   e. wcel 2148   E.wrex 2456   class class class wbr 4005   ` cfv 5218  (class class class)co 5877   RRcr 7812   0cc0 7813   + caddc 7816   x. cmul 7818   < clt 7994   <_ cle 7995   - cmin 8130   / cdiv 8631   NNcn 8921   ZZcz 9255   QQcq 9621   |_cfl 10270   mod cmo 10324   abscabs 11008

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 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-13 2150  ax-14 2151  ax-ext 2159  ax-coll 4120  ax-sep 4123  ax-nul 4131  ax-pow 4176  ax-pr 4211  ax-un 4435  ax-setind 4538  ax-iinf 4589  ax-cnex 7904  ax-resscn 7905  ax-1cn 7906  ax-1re 7907  ax-icn 7908  ax-addcl 7909  ax-addrcl 7910  ax-mulcl 7911  ax-mulrcl 7912  ax-addcom 7913  ax-mulcom 7914  ax-addass 7915  ax-mulass 7916  ax-distr 7917  ax-i2m1 7918  ax-0lt1 7919  ax-1rid 7920  ax-0id 7921  ax-rnegex 7922  ax-precex 7923  ax-cnre 7924  ax-pre-ltirr 7925  ax-pre-ltwlin 7926  ax-pre-lttrn 7927  ax-pre-apti 7928  ax-pre-ltadd 7929  ax-pre-mulgt0 7930  ax-pre-mulext 7931  ax-arch 7932

This theorem depends on definitions:  df-bi 117  df-dc 835  df-3or 979  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-nel 2443  df-ral 2460  df-rex 2461  df-reu 2462  df-rmo 2463  df-rab 2464  df-v 2741  df-sbc 2965  df-csb 3060  df-dif 3133  df-un 3135  df-in 3137  df-ss 3144  df-nul 3425  df-if 3537  df-pw 3579  df-sn 3600  df-pr 3601  df-op 3603  df-uni 3812  df-int 3847  df-iun 3890  df-br 4006  df-opab 4067  df-mpt 4068  df-tr 4104  df-id 4295  df-po 4298  df-iso 4299  df-iord 4368  df-on 4370  df-ilim 4371  df-suc 4373  df-iom 4592  df-xp 4634  df-rel 4635  df-cnv 4636  df-co 4637  df-dm 4638  df-rn 4639  df-res 4640  df-ima 4641  df-iota 5180  df-fun 5220  df-fn 5221  df-f 5222  df-f1 5223  df-fo 5224  df-f1o 5225  df-fv 5226  df-riota 5833  df-ov 5880  df-oprab 5881  df-mpo 5882  df-1st 6143  df-2nd 6144  df-recs 6308  df-frec 6394  df-pnf 7996  df-mnf 7997  df-xr 7998  df-ltxr 7999  df-le 8000  df-sub 8132  df-neg 8133  df-reap 8534  df-ap 8541  df-div 8632  df-inn 8922  df-2 8980  df-n0 9179  df-z 9256  df-uz 9531  df-q 9622  df-rp 9656  df-fl 10272  df-mod 10325  df-seqfrec 10448  df-exp 10522  df-cj 10853  df-re 10854  df-im 10855  df-rsqrt 11009  df-abs 11010

This theorem is referenced by:  divalglemeunn  11928  divalglemex  11929