Theorem fzo1fzo0n0 9192

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 9160	. . 3 |- ( K e. ( 1..^ N ) <-> ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) )
2		elnnuz 8655	. . . . . . 7 |- ( K e. NN <-> K e. ( ZZ>= ` 1 ) )
3		nnnn0 8295	. . . . . . . . . . 11 |- ( K e. NN -> K e. NN0 )
4	3	adantr 270	. . . . . . . . . 10 |- ( ( K e. NN /\ N e. ZZ ) -> K e. NN0 )
5	4	adantr 270	. . . . . . . . 9 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> K e. NN0 )
6		nngt0 8064	. . . . . . . . . . 11 |- ( K e. NN -> 0 < K )
7		0red 7120	. . . . . . . . . . . . . . 15 |- ( ( N e. ZZ /\ K e. NN ) -> 0 e. RR )
8		nnre 8046	. . . . . . . . . . . . . . . 16 |- ( K e. NN -> K e. RR )
9	8	adantl 271	. . . . . . . . . . . . . . 15 |- ( ( N e. ZZ /\ K e. NN ) -> K e. RR )
10		zre 8355	. . . . . . . . . . . . . . . 16 |- ( N e. ZZ -> N e. RR )
11	10	adantr 270	. . . . . . . . . . . . . . 15 |- ( ( N e. ZZ /\ K e. NN ) -> N e. RR )
12		lttr 7185	. . . . . . . . . . . . . . 15 |- ( ( 0 e. RR /\ K e. RR /\ N e. RR ) -> ( ( 0 < K /\ K < N ) -> 0 < N ) )
13	7, 9, 11, 12	syl3anc 1169	. . . . . . . . . . . . . 14 |- ( ( N e. ZZ /\ K e. NN ) -> ( ( 0 < K /\ K < N ) -> 0 < N ) )
14		elnnz 8361	. . . . . . . . . . . . . . . 16 |- ( N e. NN <-> ( N e. ZZ /\ 0 < N ) )
15	14	simplbi2 377	. . . . . . . . . . . . . . 15 |- ( N e. ZZ -> ( 0 < N -> N e. NN ) )
16	15	adantr 270	. . . . . . . . . . . . . 14 |- ( ( N e. ZZ /\ K e. NN ) -> ( 0 < N -> N e. NN ) )
17	13, 16	syld 44	. . . . . . . . . . . . 13 |- ( ( N e. ZZ /\ K e. NN ) -> ( ( 0 < K /\ K < N ) -> N e. NN ) )
18	17	exp4b 359	. . . . . . . . . . . 12 |- ( N e. ZZ -> ( K e. NN -> ( 0 < K -> ( K < N -> N e. NN ) ) ) )
19	18	com13 79	. . . . . . . . . . 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 252	. . . . . . . . 9 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> N e. NN )
22		simpr 108	. . . . . . . . 9 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> K < N )
23	5, 21, 22	3jca 1118	. . . . . . . 8 |- ( ( ( K e. NN /\ N e. ZZ ) /\ K < N ) -> ( K e. NN0 /\ N e. NN /\ K < N ) )
24	23	exp31 356	. . . . . . 7 |- ( K e. NN -> ( N e. ZZ -> ( K < N -> ( K e. NN0 /\ N e. NN /\ K < N ) ) ) )
25	2, 24	sylbir 133	. . . . . 6 |- ( K e. ( ZZ>= ` 1 ) -> ( N e. ZZ -> ( K < N -> ( K e. NN0 /\ N e. NN /\ K < N ) ) ) )
26	25	3imp 1132	. . . . 5 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> ( K e. NN0 /\ N e. NN /\ K < N ) )
27		elfzo0 9191	. . . . 5 |- ( K e. ( 0..^ N ) <-> ( K e. NN0 /\ N e. NN /\ K < N ) )
28	26, 27	sylibr 132	. . . 4 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> K e. ( 0..^ N ) )
29		nnne0 8067	. . . . . 6 |- ( K e. NN -> K =/= 0 )
30	2, 29	sylbir 133	. . . . 5 |- ( K e. ( ZZ>= ` 1 ) -> K =/= 0 )
31	30	3ad2ant1 959	. . . 4 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> K =/= 0 )
32	28, 31	jca 300	. . 3 |- ( ( K e. ( ZZ>= ` 1 ) /\ N e. ZZ /\ K < N ) -> ( K e. ( 0..^ N ) /\ K =/= 0 ) )
33	1, 32	sylbi 119	. 2 |- ( K e. ( 1..^ N ) -> ( K e. ( 0..^ N ) /\ K =/= 0 ) )
34		elnnne0 8302	. . . . . 6 |- ( K e. NN <-> ( K e. NN0 /\ K =/= 0 ) )
35		nnge1 8062	. . . . . 6 |- ( K e. NN -> 1 <_ K )
36	34, 35	sylbir 133	. . . . 5 |- ( ( K e. NN0 /\ K =/= 0 ) -> 1 <_ K )
37	36	3ad2antl1 1100	. . . 4 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> 1 <_ K )
38		simpl3 943	. . . 4 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> K < N )
39		nn0z 8371	. . . . . . . . 9 |- ( K e. NN0 -> K e. ZZ )
40	39	adantr 270	. . . . . . . 8 |- ( ( K e. NN0 /\ N e. NN ) -> K e. ZZ )
41		1zzd 8378	. . . . . . . 8 |- ( ( K e. NN0 /\ N e. NN ) -> 1 e. ZZ )
42		nnz 8370	. . . . . . . . 9 |- ( N e. NN -> N e. ZZ )
43	42	adantl 271	. . . . . . . 8 |- ( ( K e. NN0 /\ N e. NN ) -> N e. ZZ )
44	40, 41, 43	3jca 1118	. . . . . . 7 |- ( ( K e. NN0 /\ N e. NN ) -> ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) )
45	44	3adant3 958	. . . . . 6 |- ( ( K e. NN0 /\ N e. NN /\ K < N ) -> ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) )
46	45	adantr 270	. . . . 5 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> ( K e. ZZ /\ 1 e. ZZ /\ N e. ZZ ) )
47		elfzo 9159	. . . . 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 885	. . 3 |- ( ( ( K e. NN0 /\ N e. NN /\ K < N ) /\ K =/= 0 ) -> K e. ( 1..^ N ) )
50	27, 49	sylanb 278	. 2 |- ( ( K e. ( 0..^ N ) /\ K =/= 0 ) -> K e. ( 1..^ N ) )
51	33, 50	impbii 124	1 |- ( K e. ( 1..^ N ) <-> ( K e. ( 0..^ N ) /\ K =/= 0 ) )

Syntax hints:   -> wi 4   /\ wa 102   <-> wb 103   /\ w3a 919   e. wcel 1433   =/= wne 2245   class class class wbr 3785   ` cfv 4922  (class class class)co 5532   RRcr 6980   0cc0 6981   1c1 6982   < clt 7153   <_ cle 7154   NNcn 8039   NN0cn0 8288   ZZcz 8351   ZZ>=cuz 8619  ..^cfzo 9152

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-in1 576  ax-in2 577  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-13 1444  ax-14 1445  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063  ax-sep 3896  ax-pow 3948  ax-pr 3964  ax-un 4188  ax-setind 4280  ax-cnex 7067  ax-resscn 7068  ax-1cn 7069  ax-1re 7070  ax-icn 7071  ax-addcl 7072  ax-addrcl 7073  ax-mulcl 7074  ax-addcom 7076  ax-addass 7078  ax-distr 7080  ax-i2m1 7081  ax-0lt1 7082  ax-0id 7084  ax-rnegex 7085  ax-cnre 7087  ax-pre-ltirr 7088  ax-pre-ltwlin 7089  ax-pre-lttrn 7090  ax-pre-ltadd 7092

This theorem depends on definitions:  df-bi 115  df-3or 920  df-3an 921  df-tru 1287  df-fal 1290  df-nf 1390  df-sb 1686  df-eu 1944  df-mo 1945  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-ne 2246  df-nel 2340  df-ral 2353  df-rex 2354  df-reu 2355  df-rab 2357  df-v 2603  df-sbc 2816  df-csb 2909  df-dif 2975  df-un 2977  df-in 2979  df-ss 2986  df-nul 3252  df-pw 3384  df-sn 3404  df-pr 3405  df-op 3407  df-uni 3602  df-int 3637  df-iun 3680  df-br 3786  df-opab 3840  df-mpt 3841  df-id 4048  df-xp 4369  df-rel 4370  df-cnv 4371  df-co 4372  df-dm 4373  df-rn 4374  df-res 4375  df-ima 4376  df-iota 4887  df-fun 4924  df-fn 4925  df-f 4926  df-fv 4930  df-riota 5488  df-ov 5535  df-oprab 5536  df-mpt2 5537  df-1st 5787  df-2nd 5788  df-pnf 7155  df-mnf 7156  df-xr 7157  df-ltxr 7158  df-le 7159  df-sub 7281  df-neg 7282  df-inn 8040  df-n0 8289  df-z 8352  df-uz 8620  df-fz 9030  df-fzo 9153

This theorem is referenced by: (None)