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Mirrors > Home > MPE Home > Th. List > Mathboxes > uzmptshftfval | Structured version Visualization version GIF version |
Description: When 𝐹 is a maps-to function on some set of upper integers 𝑍 that returns a set 𝐵, (𝐹 shift 𝑁) is another maps-to function on the shifted set of upper integers 𝑊. (Contributed by Steve Rodriguez, 22-Apr-2020.) |
Ref | Expression |
---|---|
uzmptshftfval.f | ⊢ 𝐹 = (𝑥 ∈ 𝑍 ↦ 𝐵) |
uzmptshftfval.b | ⊢ 𝐵 ∈ V |
uzmptshftfval.c | ⊢ (𝑥 = (𝑦 − 𝑁) → 𝐵 = 𝐶) |
uzmptshftfval.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
uzmptshftfval.w | ⊢ 𝑊 = (ℤ≥‘(𝑀 + 𝑁)) |
uzmptshftfval.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
uzmptshftfval.n | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
Ref | Expression |
---|---|
uzmptshftfval | ⊢ (𝜑 → (𝐹 shift 𝑁) = (𝑦 ∈ 𝑊 ↦ 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uzmptshftfval.b | . . . . . 6 ⊢ 𝐵 ∈ V | |
2 | uzmptshftfval.f | . . . . . 6 ⊢ 𝐹 = (𝑥 ∈ 𝑍 ↦ 𝐵) | |
3 | 1, 2 | fnmpti 6560 | . . . . 5 ⊢ 𝐹 Fn 𝑍 |
4 | uzmptshftfval.n | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
5 | 4 | zcnd 12356 | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ ℂ) |
6 | uzmptshftfval.z | . . . . . . . . 9 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
7 | 6 | fvexi 6770 | . . . . . . . 8 ⊢ 𝑍 ∈ V |
8 | 7 | mptex 7081 | . . . . . . 7 ⊢ (𝑥 ∈ 𝑍 ↦ 𝐵) ∈ V |
9 | 2, 8 | eqeltri 2835 | . . . . . 6 ⊢ 𝐹 ∈ V |
10 | 9 | shftfn 14712 | . . . . 5 ⊢ ((𝐹 Fn 𝑍 ∧ 𝑁 ∈ ℂ) → (𝐹 shift 𝑁) Fn {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ 𝑍}) |
11 | 3, 5, 10 | sylancr 586 | . . . 4 ⊢ (𝜑 → (𝐹 shift 𝑁) Fn {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ 𝑍}) |
12 | uzmptshftfval.m | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
13 | shftuz 14708 | . . . . . . 7 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ) → {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)} = (ℤ≥‘(𝑀 + 𝑁))) | |
14 | 4, 12, 13 | syl2anc 583 | . . . . . 6 ⊢ (𝜑 → {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)} = (ℤ≥‘(𝑀 + 𝑁))) |
15 | 6 | eleq2i 2830 | . . . . . . 7 ⊢ ((𝑦 − 𝑁) ∈ 𝑍 ↔ (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)) |
16 | 15 | rabbii 3397 | . . . . . 6 ⊢ {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ 𝑍} = {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)} |
17 | uzmptshftfval.w | . . . . . 6 ⊢ 𝑊 = (ℤ≥‘(𝑀 + 𝑁)) | |
18 | 14, 16, 17 | 3eqtr4g 2804 | . . . . 5 ⊢ (𝜑 → {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ 𝑍} = 𝑊) |
19 | 18 | fneq2d 6511 | . . . 4 ⊢ (𝜑 → ((𝐹 shift 𝑁) Fn {𝑦 ∈ ℂ ∣ (𝑦 − 𝑁) ∈ 𝑍} ↔ (𝐹 shift 𝑁) Fn 𝑊)) |
20 | 11, 19 | mpbid 231 | . . 3 ⊢ (𝜑 → (𝐹 shift 𝑁) Fn 𝑊) |
21 | dffn5 6810 | . . 3 ⊢ ((𝐹 shift 𝑁) Fn 𝑊 ↔ (𝐹 shift 𝑁) = (𝑦 ∈ 𝑊 ↦ ((𝐹 shift 𝑁)‘𝑦))) | |
22 | 20, 21 | sylib 217 | . 2 ⊢ (𝜑 → (𝐹 shift 𝑁) = (𝑦 ∈ 𝑊 ↦ ((𝐹 shift 𝑁)‘𝑦))) |
23 | uzssz 12532 | . . . . . . . 8 ⊢ (ℤ≥‘(𝑀 + 𝑁)) ⊆ ℤ | |
24 | 17, 23 | eqsstri 3951 | . . . . . . 7 ⊢ 𝑊 ⊆ ℤ |
25 | zsscn 12257 | . . . . . . 7 ⊢ ℤ ⊆ ℂ | |
26 | 24, 25 | sstri 3926 | . . . . . 6 ⊢ 𝑊 ⊆ ℂ |
27 | 26 | sseli 3913 | . . . . 5 ⊢ (𝑦 ∈ 𝑊 → 𝑦 ∈ ℂ) |
28 | 9 | shftval 14713 | . . . . 5 ⊢ ((𝑁 ∈ ℂ ∧ 𝑦 ∈ ℂ) → ((𝐹 shift 𝑁)‘𝑦) = (𝐹‘(𝑦 − 𝑁))) |
29 | 5, 27, 28 | syl2an 595 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑊) → ((𝐹 shift 𝑁)‘𝑦) = (𝐹‘(𝑦 − 𝑁))) |
30 | 17 | eleq2i 2830 | . . . . . . 7 ⊢ (𝑦 ∈ 𝑊 ↔ 𝑦 ∈ (ℤ≥‘(𝑀 + 𝑁))) |
31 | 12, 4 | jca 511 | . . . . . . . 8 ⊢ (𝜑 → (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ)) |
32 | eluzsub 12543 | . . . . . . . . 9 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑦 ∈ (ℤ≥‘(𝑀 + 𝑁))) → (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)) | |
33 | 32 | 3expa 1116 | . . . . . . . 8 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝑦 ∈ (ℤ≥‘(𝑀 + 𝑁))) → (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)) |
34 | 31, 33 | sylan 579 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑦 ∈ (ℤ≥‘(𝑀 + 𝑁))) → (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)) |
35 | 30, 34 | sylan2b 593 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑊) → (𝑦 − 𝑁) ∈ (ℤ≥‘𝑀)) |
36 | 35, 6 | eleqtrrdi 2850 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑊) → (𝑦 − 𝑁) ∈ 𝑍) |
37 | uzmptshftfval.c | . . . . . 6 ⊢ (𝑥 = (𝑦 − 𝑁) → 𝐵 = 𝐶) | |
38 | 37, 2, 1 | fvmpt3i 6862 | . . . . 5 ⊢ ((𝑦 − 𝑁) ∈ 𝑍 → (𝐹‘(𝑦 − 𝑁)) = 𝐶) |
39 | 36, 38 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑊) → (𝐹‘(𝑦 − 𝑁)) = 𝐶) |
40 | 29, 39 | eqtrd 2778 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑊) → ((𝐹 shift 𝑁)‘𝑦) = 𝐶) |
41 | 40 | mpteq2dva 5170 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝑊 ↦ ((𝐹 shift 𝑁)‘𝑦)) = (𝑦 ∈ 𝑊 ↦ 𝐶)) |
42 | 22, 41 | eqtrd 2778 | 1 ⊢ (𝜑 → (𝐹 shift 𝑁) = (𝑦 ∈ 𝑊 ↦ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 {crab 3067 Vcvv 3422 ↦ cmpt 5153 Fn wfn 6413 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 + caddc 10805 − cmin 11135 ℤcz 12249 ℤ≥cuz 12511 shift cshi 14705 |
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-rep 5205 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-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-shft 14706 |
This theorem is referenced by: dvradcnv2 41854 binomcxplemnotnn0 41863 |
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