Mathbox for metakunt |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > metakunt26 | Structured version Visualization version GIF version |
Description: Construction of one solution of the increment equation system. (Contributed by metakunt, 7-Jul-2024.) |
Ref | Expression |
---|---|
metakunt26.1 | ⊢ (𝜑 → 𝑀 ∈ ℕ) |
metakunt26.2 | ⊢ (𝜑 → 𝐼 ∈ ℕ) |
metakunt26.3 | ⊢ (𝜑 → 𝐼 ≤ 𝑀) |
metakunt26.4 | ⊢ 𝐴 = (𝑥 ∈ (1...𝑀) ↦ if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1)))) |
metakunt26.5 | ⊢ 𝐶 = (𝑦 ∈ (1...𝑀) ↦ if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1)))) |
metakunt26.6 | ⊢ 𝐵 = (𝑧 ∈ (1...𝑀) ↦ if(𝑧 = 𝑀, 𝑀, if(𝑧 < 𝐼, (𝑧 + (𝑀 − 𝐼)), (𝑧 + (1 − 𝐼))))) |
metakunt26.7 | ⊢ (𝜑 → 𝑋 = 𝐼) |
Ref | Expression |
---|---|
metakunt26 | ⊢ (𝜑 → (𝐶‘(𝐵‘(𝐴‘𝑋))) = 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | metakunt26.4 | . . . . . . . 8 ⊢ 𝐴 = (𝑥 ∈ (1...𝑀) ↦ if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1)))) | |
2 | 1 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → 𝐴 = (𝑥 ∈ (1...𝑀) ↦ if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))))) |
3 | metakunt26.7 | . . . . . . . . . 10 ⊢ (𝜑 → 𝑋 = 𝐼) | |
4 | 3 | eqeq2d 2749 | . . . . . . . . 9 ⊢ (𝜑 → (𝑥 = 𝑋 ↔ 𝑥 = 𝐼)) |
5 | simpr 484 | . . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑥 = 𝐼) → 𝑥 = 𝐼) | |
6 | 5 | iftrued 4464 | . . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = 𝐼) → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = 𝑀) |
7 | 6 | ex 412 | . . . . . . . . 9 ⊢ (𝜑 → (𝑥 = 𝐼 → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = 𝑀)) |
8 | 4, 7 | sylbid 239 | . . . . . . . 8 ⊢ (𝜑 → (𝑥 = 𝑋 → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = 𝑀)) |
9 | 8 | imp 406 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 = 𝑋) → if(𝑥 = 𝐼, 𝑀, if(𝑥 < 𝐼, 𝑥, (𝑥 − 1))) = 𝑀) |
10 | 1zzd 12281 | . . . . . . . . 9 ⊢ (𝜑 → 1 ∈ ℤ) | |
11 | metakunt26.1 | . . . . . . . . . 10 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
12 | nnz 12272 | . . . . . . . . . 10 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℤ) | |
13 | 11, 12 | syl 17 | . . . . . . . . 9 ⊢ (𝜑 → 𝑀 ∈ ℤ) |
14 | metakunt26.2 | . . . . . . . . . 10 ⊢ (𝜑 → 𝐼 ∈ ℕ) | |
15 | 14 | nnzd 12354 | . . . . . . . . 9 ⊢ (𝜑 → 𝐼 ∈ ℤ) |
16 | 14 | nnge1d 11951 | . . . . . . . . 9 ⊢ (𝜑 → 1 ≤ 𝐼) |
17 | metakunt26.3 | . . . . . . . . 9 ⊢ (𝜑 → 𝐼 ≤ 𝑀) | |
18 | 10, 13, 15, 16, 17 | elfzd 13176 | . . . . . . . 8 ⊢ (𝜑 → 𝐼 ∈ (1...𝑀)) |
19 | 3 | eleq1d 2823 | . . . . . . . 8 ⊢ (𝜑 → (𝑋 ∈ (1...𝑀) ↔ 𝐼 ∈ (1...𝑀))) |
20 | 18, 19 | mpbird 256 | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ (1...𝑀)) |
21 | 2, 9, 20, 11 | fvmptd 6864 | . . . . . 6 ⊢ (𝜑 → (𝐴‘𝑋) = 𝑀) |
22 | 21 | fveq2d 6760 | . . . . 5 ⊢ (𝜑 → (𝐵‘(𝐴‘𝑋)) = (𝐵‘𝑀)) |
23 | metakunt26.6 | . . . . . . 7 ⊢ 𝐵 = (𝑧 ∈ (1...𝑀) ↦ if(𝑧 = 𝑀, 𝑀, if(𝑧 < 𝐼, (𝑧 + (𝑀 − 𝐼)), (𝑧 + (1 − 𝐼))))) | |
24 | 23 | a1i 11 | . . . . . 6 ⊢ (𝜑 → 𝐵 = (𝑧 ∈ (1...𝑀) ↦ if(𝑧 = 𝑀, 𝑀, if(𝑧 < 𝐼, (𝑧 + (𝑀 − 𝐼)), (𝑧 + (1 − 𝐼)))))) |
25 | simpr 484 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑧 = 𝑀) → 𝑧 = 𝑀) | |
26 | 25 | iftrued 4464 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑧 = 𝑀) → if(𝑧 = 𝑀, 𝑀, if(𝑧 < 𝐼, (𝑧 + (𝑀 − 𝐼)), (𝑧 + (1 − 𝐼)))) = 𝑀) |
27 | 1zzd 12281 | . . . . . . . 8 ⊢ (𝑀 ∈ ℕ → 1 ∈ ℤ) | |
28 | nnge1 11931 | . . . . . . . 8 ⊢ (𝑀 ∈ ℕ → 1 ≤ 𝑀) | |
29 | nnre 11910 | . . . . . . . . 9 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℝ) | |
30 | 29 | leidd 11471 | . . . . . . . 8 ⊢ (𝑀 ∈ ℕ → 𝑀 ≤ 𝑀) |
31 | 27, 12, 12, 28, 30 | elfzd 13176 | . . . . . . 7 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ (1...𝑀)) |
32 | 11, 31 | syl 17 | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ (1...𝑀)) |
33 | 24, 26, 32, 11 | fvmptd 6864 | . . . . 5 ⊢ (𝜑 → (𝐵‘𝑀) = 𝑀) |
34 | 22, 33 | eqtrd 2778 | . . . 4 ⊢ (𝜑 → (𝐵‘(𝐴‘𝑋)) = 𝑀) |
35 | 34 | fveq2d 6760 | . . 3 ⊢ (𝜑 → (𝐶‘(𝐵‘(𝐴‘𝑋))) = (𝐶‘𝑀)) |
36 | metakunt26.5 | . . . . 5 ⊢ 𝐶 = (𝑦 ∈ (1...𝑀) ↦ if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1)))) | |
37 | 36 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐶 = (𝑦 ∈ (1...𝑀) ↦ if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))))) |
38 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 = 𝑀) → 𝑦 = 𝑀) | |
39 | 38 | iftrued 4464 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 = 𝑀) → if(𝑦 = 𝑀, 𝐼, if(𝑦 < 𝐼, 𝑦, (𝑦 + 1))) = 𝐼) |
40 | 37, 39, 32, 14 | fvmptd 6864 | . . 3 ⊢ (𝜑 → (𝐶‘𝑀) = 𝐼) |
41 | 35, 40 | eqtrd 2778 | . 2 ⊢ (𝜑 → (𝐶‘(𝐵‘(𝐴‘𝑋))) = 𝐼) |
42 | 3 | eqcomd 2744 | . 2 ⊢ (𝜑 → 𝐼 = 𝑋) |
43 | 41, 42 | eqtrd 2778 | 1 ⊢ (𝜑 → (𝐶‘(𝐵‘(𝐴‘𝑋))) = 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ifcif 4456 class class class wbr 5070 ↦ cmpt 5153 ‘cfv 6418 (class class class)co 7255 1c1 10803 + caddc 10805 < clt 10940 ≤ cle 10941 − cmin 11135 ℕcn 11903 ℤcz 12249 ...cfz 13168 |
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-fz 13169 |
This theorem is referenced by: metakunt31 40083 |
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