Theorem fzo1fzo0n0 10379

Description: An integer between 1 and an upper bound of a half-open integer range is not 0 and between 0 and the upper bound of the half-open integer range. (Contributed by Alexander van der Vekens, 21-Mar-2018.)

Assertion

Ref	Expression
fzo1fzo0n0	|- ( K e. ( 1..^ N ) <-> ( K e. ( 0..^ N ) /\ K =/= 0 ) )

Proof of Theorem fzo1fzo0n0

Step	Hyp	Ref	Expression
1		elfzo2 10342	. . 3 |- ( K e. ( 1..^ N ) <-> ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) )
2		elnnuz 9755	. . . . . . 7 |- ( K e. NN <-> K e. ( ZZ>= ` 1 ) )
3		nnnn0 9372	. . . . . . . . . . 11 |- ( K e. NN -> K e. NN0 )
4	3	adantr 276	. . . . . . . . . 10 |- ( ( K e. NN /\ N e. ZZ ) -> K e. NN0 )
5	4	adantr 276	. . . . . . . . 9 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> K e. NN0 )
6		nngt0 9131	. . . . . . . . . . 11 |- ( K e. NN -> 0 < K )
7		0red 8143	. . . . . . . . . . . . . . 15 |- ( ( N e. ZZ /\ K e. NN ) -> 0 e. RR )
8		nnre 9113	. . . . . . . . . . . . . . . 16 |- ( K e. NN -> K e. RR )
9	8	adantl 277	. . . . . . . . . . . . . . 15 |- ( ( N e. ZZ /\ K e. NN ) -> K e. RR )
10		zre 9446	. . . . . . . . . . . . . . . 16 |- ( N e. ZZ -> N e. RR )
11	10	adantr 276	. . . . . . . . . . . . . . 15 |- ( ( N e. ZZ /\ K e. NN ) -> N e. RR )
12		lttr 8216	. . . . . . . . . . . . . . 15 |- ( ( 0 e. RR /\ K e. RR /\ N e. RR ) -> ( ( 0 < K /\ K < N ) -> 0 < N ) )
13	7, 9, 11, 12	syl3anc 1271	. . . . . . . . . . . . . 14 |- ( ( N e. ZZ /\ K e. NN ) -> ( ( 0 < K /\ K < N ) -> 0 < N ) )
14		elnnz 9452	. . . . . . . . . . . . . . . 16 |- ( N e. NN <-> ( N e. ZZ /\ 0 < N ) )
15	14	simplbi2 385	. . . . . . . . . . . . . . 15 |- ( N e. ZZ -> ( 0 < N -> N e. NN ) )
16	15	adantr 276	. . . . . . . . . . . . . 14 |- ( ( N e. ZZ /\ K e. NN ) -> ( 0 < N -> N e. NN ) )
17	13, 16	syld 45	. . . . . . . . . . . . 13 |- ( ( N e. ZZ /\ K e. NN ) -> ( ( 0 < K /\ K < N ) -> N e. NN ) )
18	17	exp4b 367	. . . . . . . . . . . 12 |- ( N e. ZZ -> ( K e. NN -> ( 0 < K -> ( K < N -> N e. NN ) ) ) )
19	18	com13 80	. . . . . . . . . . 11 |- ( 0 < K -> ( K e. NN -> ( N e. ZZ -> ( K < N -> N e. NN ) ) ) )
20	6, 19	mpcom 36	. . . . . . . . . 10 |- ( K e. NN -> ( N e. ZZ -> ( K < N -> N e. NN ) ) )
21	20	imp31 256	. . . . . . . . 9 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> N e. NN )
22		simpr 110	. . . . . . . . 9 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> K < N )
23	5, 21, 22	3jca 1201	. . . . . . . 8 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> ( K e. NN0 /\ N e. NN /\ K < N ) )
24	23	exp31 364	. . . . . . 7 |- ( K e. NN -> ( N e. ZZ -> ( K < N -> ( K e. NN0 /\ N e. NN /\ K < N ) ) ) )
25	2, 24	sylbir 135	. . . . . 6 |- ( K e. ( ZZ>= ` 1 ) -> ( N e. ZZ -> ( K < N -> ( K e. NN0 /\ N e. NN /\ K < N ) ) ) )
26	25	3imp 1217	. . . . 5 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> ( K e. NN0 /\ N e. NN /\ K < N ) )
27		elfzo0 10378	. . . . 5 |- ( K e. ( 0..^ N ) <-> ( K e. NN0 /\ N e. NN /\ K < N ) )
28	26, 27	sylibr 134	. . . 4 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> K e. ( 0..^ N ) )
29		nnne0 9134	. . . . . 6 |- ( K e. NN -> K =/= 0 )
30	2, 29	sylbir 135	. . . . 5 |- ( K e. ( ZZ>= ` 1 ) -> K =/= 0 )
31	30	3ad2ant1 1042	. . . 4 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> K =/= 0 )
32	28, 31	jca 306	. . 3 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> ( K e. ( 0..^ N ) /\ K =/= 0 ) )
33	1, 32	sylbi 121	. 2 |- ( K e. ( 1..^ N ) -> ( K e. ( 0..^ N ) /\ K =/= 0 ) )
34		elnnne0 9379	. . . . . 6 |- ( K e. NN <-> ( K e. NN0 /\ K =/= 0 ) )
35		nnge1 9129	. . . . . 6 |- ( K e. NN -> 1 <_ K )
36	34, 35	sylbir 135	. . . . 5 |- ( ( K e. NN0 /\ K =/= 0 ) -> 1 <_ K )
37	36	3ad2antl1 1183	. . . 4 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> 1 <_ K )
38		simpl3 1026	. . . 4 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> K < N )
39		nn0z 9462	. . . . . . . . 9 |- ( K e. NN0 -> K e. ZZ )
40	39	adantr 276	. . . . . . . 8 |- ( ( K e. NN0 /\ N e. NN ) -> K e. ZZ )
41		1zzd 9469	. . . . . . . 8 |- ( ( K e. NN0 /\ N e. NN ) -> 1 e. ZZ )
42		nnz 9461	. . . . . . . . 9 |- ( N e. NN -> N e. ZZ )
43	42	adantl 277	. . . . . . . 8 |- ( ( K e. NN0 /\ N e. NN ) -> N e. ZZ )
44	40, 41, 43	3jca 1201	. . . . . . 7 |- ( ( K e. NN0 /\ N e. NN ) -> ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) )
45	44	3adant3 1041	. . . . . 6 |- ( ( K e. NN0 /\ N e. NN /\ K < N ) -> ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) )
46	45	adantr 276	. . . . 5 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) )
47		elfzo 10341	. . . . 5 |- ( ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) -> ( K e. ( 1..^ N ) <-> ( 1 <_ K /\ K < N ) ) )
48	46, 47	syl 14	. . . 4 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> ( K e. ( 1..^ N ) <-> ( 1 <_ K /\ K < N ) ) )
49	37, 38, 48	mpbir2and 950	. . 3 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> K e. ( 1..^ N ) )
50	27, 49	sylanb 284	. 2 |- ( ( K e. ( 0..^ N ) /\ K =/= 0 ) -> K e. ( 1..^ N ) )
51	33, 50	impbii 126	1 |- ( K e. ( 1..^ N ) <-> ( K e. ( 0..^ N ) /\ K =/= 0 ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   /\ w3a 1002   e. wcel 2200   =/= wne 2400   class class class wbr 4082   ` cfv 5317  (class class class)co 6000   RRcr 7994   0cc0 7995   1c1 7996   < clt 8177   <_ cle 8178   NNcn 9106   NN0cn0 9365   ZZcz 9442   ZZ>=cuz 9718  ..^cfzo 10334

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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4201  ax-pow 4257  ax-pr 4292  ax-un 4523  ax-setind 4628  ax-cnex 8086  ax-resscn 8087  ax-1cn 8088  ax-1re 8089  ax-icn 8090  ax-addcl 8091  ax-addrcl 8092  ax-mulcl 8093  ax-addcom 8095  ax-addass 8097  ax-distr 8099  ax-i2m1 8100  ax-0lt1 8101  ax-0id 8103  ax-rnegex 8104  ax-cnre 8106  ax-pre-ltirr 8107  ax-pre-ltwlin 8108  ax-pre-lttrn 8109  ax-pre-ltadd 8111

This theorem depends on definitions:  df-bi 117  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-int 3923  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-id 4383  df-xp 4724  df-rel 4725  df-cnv 4726  df-co 4727  df-dm 4728  df-rn 4729  df-res 4730  df-ima 4731  df-iota 5277  df-fun 5319  df-fn 5320  df-f 5321  df-fv 5325  df-riota 5953  df-ov 6003  df-oprab 6004  df-mpo 6005  df-1st 6284  df-2nd 6285  df-pnf 8179  df-mnf 8180  df-xr 8181  df-ltxr 8182  df-le 8183  df-sub 8315  df-neg 8316  df-inn 9107  df-n0 9366  df-z 9443  df-uz 9719  df-fz 10201  df-fzo 10335

This theorem is referenced by:  modprmn0modprm0  12774