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Mirrors > Home > MPE Home > Th. List > elfzom1elp1fzo | Structured version Visualization version GIF version |
Description: Membership of an integer incremented by one in a half-open range of nonnegative integers. (Contributed by Alexander van der Vekens, 24-Jun-2018.) (Proof shortened by AV, 5-Jan-2020.) |
Ref | Expression |
---|---|
elfzom1elp1fzo | ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → (𝐼 + 1) ∈ (0..^𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfzofz 13331 | . . . . . . 7 ⊢ (𝐼 ∈ (0..^(𝑁 − 1)) → 𝐼 ∈ (0...(𝑁 − 1))) | |
2 | elfzuz2 13190 | . . . . . . 7 ⊢ (𝐼 ∈ (0...(𝑁 − 1)) → (𝑁 − 1) ∈ (ℤ≥‘0)) | |
3 | elnn0uz 12552 | . . . . . . . 8 ⊢ ((𝑁 − 1) ∈ ℕ0 ↔ (𝑁 − 1) ∈ (ℤ≥‘0)) | |
4 | zcn 12254 | . . . . . . . . . . 11 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
5 | 4 | anim1i 614 | . . . . . . . . . 10 ⊢ ((𝑁 ∈ ℤ ∧ (𝑁 − 1) ∈ ℕ0) → (𝑁 ∈ ℂ ∧ (𝑁 − 1) ∈ ℕ0)) |
6 | elnnnn0 12206 | . . . . . . . . . 10 ⊢ (𝑁 ∈ ℕ ↔ (𝑁 ∈ ℂ ∧ (𝑁 − 1) ∈ ℕ0)) | |
7 | 5, 6 | sylibr 233 | . . . . . . . . 9 ⊢ ((𝑁 ∈ ℤ ∧ (𝑁 − 1) ∈ ℕ0) → 𝑁 ∈ ℕ) |
8 | 7 | expcom 413 | . . . . . . . 8 ⊢ ((𝑁 − 1) ∈ ℕ0 → (𝑁 ∈ ℤ → 𝑁 ∈ ℕ)) |
9 | 3, 8 | sylbir 234 | . . . . . . 7 ⊢ ((𝑁 − 1) ∈ (ℤ≥‘0) → (𝑁 ∈ ℤ → 𝑁 ∈ ℕ)) |
10 | 1, 2, 9 | 3syl 18 | . . . . . 6 ⊢ (𝐼 ∈ (0..^(𝑁 − 1)) → (𝑁 ∈ ℤ → 𝑁 ∈ ℕ)) |
11 | 10 | impcom 407 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → 𝑁 ∈ ℕ) |
12 | 1nn0 12179 | . . . . . . 7 ⊢ 1 ∈ ℕ0 | |
13 | 12 | a1i 11 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → 1 ∈ ℕ0) |
14 | nnnn0 12170 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0) | |
15 | nnge1 11931 | . . . . . 6 ⊢ (𝑁 ∈ ℕ → 1 ≤ 𝑁) | |
16 | 13, 14, 15 | 3jca 1126 | . . . . 5 ⊢ (𝑁 ∈ ℕ → (1 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0 ∧ 1 ≤ 𝑁)) |
17 | 11, 16 | syl 17 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → (1 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0 ∧ 1 ≤ 𝑁)) |
18 | elfz2nn0 13276 | . . . 4 ⊢ (1 ∈ (0...𝑁) ↔ (1 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0 ∧ 1 ≤ 𝑁)) | |
19 | 17, 18 | sylibr 233 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → 1 ∈ (0...𝑁)) |
20 | fzossrbm1 13344 | . . . . . . 7 ⊢ (𝑁 ∈ ℤ → (0..^(𝑁 − 1)) ⊆ (0..^𝑁)) | |
21 | 20 | adantr 480 | . . . . . 6 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → (0..^(𝑁 − 1)) ⊆ (0..^𝑁)) |
22 | fzossfz 13334 | . . . . . 6 ⊢ (0..^𝑁) ⊆ (0...𝑁) | |
23 | 21, 22 | sstrdi 3929 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → (0..^(𝑁 − 1)) ⊆ (0...𝑁)) |
24 | simpr 484 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → 𝐼 ∈ (0..^(𝑁 − 1))) | |
25 | 23, 24 | jca 511 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → ((0..^(𝑁 − 1)) ⊆ (0...𝑁) ∧ 𝐼 ∈ (0..^(𝑁 − 1)))) |
26 | ssel2 3912 | . . . 4 ⊢ (((0..^(𝑁 − 1)) ⊆ (0...𝑁) ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → 𝐼 ∈ (0...𝑁)) | |
27 | elfzubelfz 13197 | . . . 4 ⊢ (𝐼 ∈ (0...𝑁) → 𝑁 ∈ (0...𝑁)) | |
28 | 25, 26, 27 | 3syl 18 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → 𝑁 ∈ (0...𝑁)) |
29 | 19, 28 | jca 511 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → (1 ∈ (0...𝑁) ∧ 𝑁 ∈ (0...𝑁))) |
30 | elfzodifsumelfzo 13381 | . 2 ⊢ ((1 ∈ (0...𝑁) ∧ 𝑁 ∈ (0...𝑁)) → (𝐼 ∈ (0..^(𝑁 − 1)) → (𝐼 + 1) ∈ (0..^𝑁))) | |
31 | 29, 24, 30 | sylc 65 | 1 ⊢ ((𝑁 ∈ ℤ ∧ 𝐼 ∈ (0..^(𝑁 − 1))) → (𝐼 + 1) ∈ (0..^𝑁)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 ∈ wcel 2108 ⊆ wss 3883 class class class wbr 5070 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 0cc0 10802 1c1 10803 + caddc 10805 ≤ cle 10941 − cmin 11135 ℕcn 11903 ℕ0cn0 12163 ℤcz 12249 ℤ≥cuz 12511 ...cfz 13168 ..^cfzo 13311 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 |
This theorem is referenced by: elfzom1p1elfzo 13395 clwwlkccatlem 28254 clwlkclwwlk 28267 clwwlkinwwlk 28305 clwwlkf 28312 clwwlkwwlksb 28319 cycpmco2lem7 31301 |
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