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| Mirrors > Home > MPE Home > Th. List > smndex1igidOLD | Structured version Visualization version GIF version | ||
| Description: Obsolete version of smndex1igid 18868 as of 2-Apr-2026. (Contributed by AV, 14-Feb-2024.) (Proof modification is discouraged.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| smndex1ibas.m | ⊢ 𝑀 = (EndoFMnd‘ℕ0) |
| smndex1ibas.n | ⊢ 𝑁 ∈ ℕ |
| smndex1ibas.i | ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) |
| smndex1ibas.g | ⊢ 𝐺 = (𝑛 ∈ (0..^𝑁) ↦ (𝑥 ∈ ℕ0 ↦ 𝑛)) |
| Ref | Expression |
|---|---|
| smndex1igidOLD | ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝐺‘𝐾)) = (𝐺‘𝐾)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fconstmpt 5687 | . . . . 5 ⊢ (ℕ0 × {𝐾}) = (𝑥 ∈ ℕ0 ↦ 𝐾) | |
| 2 | 1 | eqcomi 2746 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ 𝐾) = (ℕ0 × {𝐾}) |
| 3 | 2 | a1i 11 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝑥 ∈ ℕ0 ↦ 𝐾) = (ℕ0 × {𝐾})) |
| 4 | 3 | coeq2d 5812 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝑥 ∈ ℕ0 ↦ 𝐾)) = (𝐼 ∘ (ℕ0 × {𝐾}))) |
| 5 | simpl 482 | . . . . 5 ⊢ ((𝑛 = 𝐾 ∧ 𝑥 ∈ ℕ0) → 𝑛 = 𝐾) | |
| 6 | 5 | mpteq2dva 5179 | . . . 4 ⊢ (𝑛 = 𝐾 → (𝑥 ∈ ℕ0 ↦ 𝑛) = (𝑥 ∈ ℕ0 ↦ 𝐾)) |
| 7 | smndex1ibas.g | . . . 4 ⊢ 𝐺 = (𝑛 ∈ (0..^𝑁) ↦ (𝑥 ∈ ℕ0 ↦ 𝑛)) | |
| 8 | nn0ex 12437 | . . . . 5 ⊢ ℕ0 ∈ V | |
| 9 | 8 | mptex 7172 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ 𝐾) ∈ V |
| 10 | 6, 7, 9 | fvmpt 6942 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (𝑥 ∈ ℕ0 ↦ 𝐾)) |
| 11 | 10 | coeq2d 5812 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝐺‘𝐾)) = (𝐼 ∘ (𝑥 ∈ ℕ0 ↦ 𝐾))) |
| 12 | smndex1ibas.i | . . . . . . 7 ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 13 | oveq1 7368 | . . . . . . . 8 ⊢ (𝑥 = 𝐾 → (𝑥 mod 𝑁) = (𝐾 mod 𝑁)) | |
| 14 | zmodidfzoimp 13854 | . . . . . . . 8 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐾 mod 𝑁) = 𝐾) | |
| 15 | 13, 14 | sylan9eqr 2794 | . . . . . . 7 ⊢ ((𝐾 ∈ (0..^𝑁) ∧ 𝑥 = 𝐾) → (𝑥 mod 𝑁) = 𝐾) |
| 16 | elfzonn0 13656 | . . . . . . 7 ⊢ (𝐾 ∈ (0..^𝑁) → 𝐾 ∈ ℕ0) | |
| 17 | 12, 15, 16, 16 | fvmptd2 6951 | . . . . . 6 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼‘𝐾) = 𝐾) |
| 18 | 17 | eqcomd 2743 | . . . . 5 ⊢ (𝐾 ∈ (0..^𝑁) → 𝐾 = (𝐼‘𝐾)) |
| 19 | 18 | sneqd 4580 | . . . 4 ⊢ (𝐾 ∈ (0..^𝑁) → {𝐾} = {(𝐼‘𝐾)}) |
| 20 | 19 | xpeq2d 5655 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (ℕ0 × {𝐾}) = (ℕ0 × {(𝐼‘𝐾)})) |
| 21 | 10, 2 | eqtrdi 2788 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (ℕ0 × {𝐾})) |
| 22 | ovex 7394 | . . . . 5 ⊢ (𝑥 mod 𝑁) ∈ V | |
| 23 | 22, 12 | fnmpti 6636 | . . . 4 ⊢ 𝐼 Fn ℕ0 |
| 24 | fcoconst 7082 | . . . 4 ⊢ ((𝐼 Fn ℕ0 ∧ 𝐾 ∈ ℕ0) → (𝐼 ∘ (ℕ0 × {𝐾})) = (ℕ0 × {(𝐼‘𝐾)})) | |
| 25 | 23, 16, 24 | sylancr 588 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (ℕ0 × {𝐾})) = (ℕ0 × {(𝐼‘𝐾)})) |
| 26 | 20, 21, 25 | 3eqtr4d 2782 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (𝐼 ∘ (ℕ0 × {𝐾}))) |
| 27 | 4, 11, 26 | 3eqtr4d 2782 | 1 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝐺‘𝐾)) = (𝐺‘𝐾)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 {csn 4568 ↦ cmpt 5167 × cxp 5623 ∘ ccom 5629 Fn wfn 6488 ‘cfv 6493 (class class class)co 7361 0cc0 11032 ℕcn 12168 ℕ0cn0 12431 ..^cfzo 13602 mod cmo 13822 EndoFMndcefmnd 18830 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-sup 9349 df-inf 9350 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-n0 12432 df-z 12519 df-uz 12783 df-rp 12937 df-fz 13456 df-fzo 13603 df-fl 13745 df-mod 13823 |
| This theorem is referenced by: (None) |
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