Theorem eluzgtdifelfzo 10564

Description: Membership of the difference of integers in a half-open range of nonnegative integers. (Contributed by Alexander van der Vekens, 17-Sep-2018.)

Assertion

Ref	Expression
eluzgtdifelfzo	|- ( ( A e. ZZ /\ B e. ZZ ) -> ( ( N e. ( ZZ>= ` A ) /\ B < A ) -> ( N - A ) e. ( 0..^ ( N - B ) ) ) )

Proof of Theorem eluzgtdifelfzo

Step	Hyp	Ref	Expression
1		simpl 109	. . . . 5 |- ( ( N e. ( ZZ>= ` A ) /\ B < A ) -> N e. ( ZZ>= ` A ) )
2	1	adantl 277	. . . 4 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> N e. ( ZZ>= ` A ) )
3		simpl 109	. . . . . 6 |- ( ( A e. ZZ /\ B e. ZZ ) -> A e. ZZ )
4	3	adantr 276	. . . . 5 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> A e. ZZ )
5		eluzelz 9881	. . . . . . . 8 |- ( N e. ( ZZ>= ` A ) -> N e. ZZ )
6	5	ad2antrr 488	. . . . . . 7 |- ( ( ( N e. ( ZZ>= ` A ) /\ B < A ) /\ ( A e. ZZ /\ B e. ZZ ) ) -> N e. ZZ )
7		simprr 533	. . . . . . 7 |- ( ( ( N e. ( ZZ>= ` A ) /\ B < A ) /\ ( A e. ZZ /\ B e. ZZ ) ) -> B e. ZZ )
8	6, 7	zsubcld 9723	. . . . . 6 |- ( ( ( N e. ( ZZ>= ` A ) /\ B < A ) /\ ( A e. ZZ /\ B e. ZZ ) ) -> ( N - B ) e. ZZ )
9	8	ancoms 268	. . . . 5 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> ( N - B ) e. ZZ )
10	4, 9	zaddcld 9722	. . . 4 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> ( A + ( N - B ) ) e. ZZ )
11		zre 9598	. . . . . . . . 9 |- ( B e. ZZ -> B e. RR )
12		zre 9598	. . . . . . . . 9 |- ( A e. ZZ -> A e. RR )
13		posdif 8746	. . . . . . . . . 10 |- ( ( B e. RR /\ A e. RR ) -> ( B < A <-> 0 < ( A - B ) ) )
14	13	biimpd 144	. . . . . . . . 9 |- ( ( B e. RR /\ A e. RR ) -> ( B < A -> 0 < ( A - B ) ) )
15	11, 12, 14	syl2anr 290	. . . . . . . 8 |- ( ( A e. ZZ /\ B e. ZZ ) -> ( B < A -> 0 < ( A - B ) ) )
16	15	adantld 278	. . . . . . 7 |- ( ( A e. ZZ /\ B e. ZZ ) -> ( ( N e. ( ZZ>= ` A ) /\ B < A ) -> 0 < ( A - B ) ) )
17	16	imp 124	. . . . . 6 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> 0 < ( A - B ) )
18		resubcl 8553	. . . . . . . . 9 |- ( ( A e. RR /\ B e. RR ) -> ( A - B ) e. RR )
19	12, 11, 18	syl2an 289	. . . . . . . 8 |- ( ( A e. ZZ /\ B e. ZZ ) -> ( A - B ) e. RR )
20	19	adantr 276	. . . . . . 7 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> ( A - B ) e. RR )
21		eluzelre 9882	. . . . . . . 8 |- ( N e. ( ZZ>= ` A ) -> N e. RR )
22	21	ad2antrl 490	. . . . . . 7 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> N e. RR )
23	20, 22	ltaddposd 8820	. . . . . 6 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> ( 0 < ( A - B ) <-> N < ( N + ( A - B ) ) ) )
24	17, 23	mpbid 147	. . . . 5 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> N < ( N + ( A - B ) ) )
25		zcn 9599	. . . . . . 7 |- ( A e. ZZ -> A e. CC )
26	25	ad2antrr 488	. . . . . 6 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> A e. CC )
27		eluzelcn 9883	. . . . . . 7 |- ( N e. ( ZZ>= ` A ) -> N e. CC )
28	27	ad2antrl 490	. . . . . 6 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> N e. CC )
29		zcn 9599	. . . . . . . 8 |- ( B e. ZZ -> B e. CC )
30	29	adantl 277	. . . . . . 7 |- ( ( A e. ZZ /\ B e. ZZ ) -> B e. CC )
31	30	adantr 276	. . . . . 6 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> B e. CC )
32		addsub12 8502	. . . . . . 7 |- ( ( A e. CC /\ N e. CC /\ B e. CC ) -> ( A + ( N - B ) ) = ( N + ( A - B ) ) )
33	32	breq2d 4126	. . . . . 6 |- ( ( A e. CC /\ N e. CC /\ B e. CC ) -> ( N < ( A + ( N - B ) ) <-> N < ( N + ( A - B ) ) ) )
34	26, 28, 31, 33	syl3anc 1274	. . . . 5 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> ( N < ( A + ( N - B ) ) <-> N < ( N + ( A - B ) ) ) )
35	24, 34	mpbird 167	. . . 4 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> N < ( A + ( N - B ) ) )
36		elfzo2 10506	. . . 4 |- ( N e. ( A..^ ( A + ( N - B ) ) ) <-> ( N e. ( ZZ>= ` A ) /\ ( A + ( N - B ) ) e. ZZ /\ N < ( A + ( N - B ) ) ) )
37	2, 10, 35, 36	syl3anbrc 1208	. . 3 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> N e. ( A..^ ( A + ( N - B ) ) ) )
38		fzosubel3 10563	. . 3 |- ( ( N e. ( A..^ ( A + ( N - B ) ) ) /\ ( N - B ) e. ZZ ) -> ( N - A ) e. ( 0..^ ( N - B ) ) )
39	37, 9, 38	syl2anc 411	. 2 |- ( ( ( A e. ZZ /\ B e. ZZ ) /\ ( N e. ( ZZ>= ` A ) /\ B < A ) ) -> ( N - A ) e. ( 0..^ ( N - B ) ) )
40	39	ex 115	1 |- ( ( A e. ZZ /\ B e. ZZ ) -> ( ( N e. ( ZZ>= ` A ) /\ B < A ) -> ( N - A ) e. ( 0..^ ( N - B ) ) ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   /\ w3a 1005   e. wcel 2205   class class class wbr 4114   ` cfv 5357  (class class class)co 6058   CCcc 8141   RRcr 8142   0cc0 8143   + caddc 8146   < clt 8324   - cmin 8460   ZZcz 9594   ZZ>=cuz 9871  ..^cfzo 10498

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-sep 4233  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-addass 8245  ax-distr 8247  ax-i2m1 8248  ax-0lt1 8249  ax-0id 8251  ax-rnegex 8252  ax-cnre 8254  ax-pre-ltirr 8255  ax-pre-ltwlin 8256  ax-pre-lttrn 8257  ax-pre-ltadd 8259

This theorem depends on definitions:  df-bi 117  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-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-iun 3998  df-br 4115  df-opab 4177  df-mpt 4178  df-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-1st 6347  df-2nd 6348  df-pnf 8326  df-mnf 8327  df-xr 8328  df-ltxr 8329  df-le 8330  df-sub 8462  df-neg 8463  df-inn 9255  df-n0 9514  df-z 9595  df-uz 9872  df-fz 10362  df-fzo 10499

This theorem is referenced by:  ige2m2fzo  10565