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| Mirrors > Home > MPE Home > Th. List > smndex1igidOLD | Structured version Visualization version GIF version | ||
| Description: Obsolete version of smndex1igid 19006 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 5725 | . . . . 5 ⊢ (ℕ0 × {𝐾}) = (𝑥 ∈ ℕ0 ↦ 𝐾) | |
| 2 | 1 | eqcomi 2774 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ 𝐾) = (ℕ0 × {𝐾}) |
| 3 | 2 | a1i 11 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝑥 ∈ ℕ0 ↦ 𝐾) = (ℕ0 × {𝐾})) |
| 4 | 3 | coeq2d 5850 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝑥 ∈ ℕ0 ↦ 𝐾)) = (𝐼 ∘ (ℕ0 × {𝐾}))) |
| 5 | simpl 488 | . . . . 5 ⊢ ((𝑛 = 𝐾 ∧ 𝑥 ∈ ℕ0) → 𝑛 = 𝐾) | |
| 6 | 5 | mpteq2dva 5206 | . . . 4 ⊢ (𝑛 = 𝐾 → (𝑥 ∈ ℕ0 ↦ 𝑛) = (𝑥 ∈ ℕ0 ↦ 𝐾)) |
| 7 | smndex1ibas.g | . . . 4 ⊢ 𝐺 = (𝑛 ∈ (0..^𝑁) ↦ (𝑥 ∈ ℕ0 ↦ 𝑛)) | |
| 8 | nn0ex 12529 | . . . . 5 ⊢ ℕ0 ∈ V | |
| 9 | 8 | mptex 7228 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ 𝐾) ∈ V |
| 10 | 6, 7, 9 | fvmpt 6993 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (𝑥 ∈ ℕ0 ↦ 𝐾)) |
| 11 | 10 | coeq2d 5850 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝐺‘𝐾)) = (𝐼 ∘ (𝑥 ∈ ℕ0 ↦ 𝐾))) |
| 12 | smndex1ibas.i | . . . . . . 7 ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 13 | oveq1 7426 | . . . . . . . 8 ⊢ (𝑥 = 𝐾 → (𝑥 mod 𝑁) = (𝐾 mod 𝑁)) | |
| 14 | zmodidfzoimp 13956 | . . . . . . . 8 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐾 mod 𝑁) = 𝐾) | |
| 15 | 13, 14 | sylan9eqr 2822 | . . . . . . 7 ⊢ ((𝐾 ∈ (0..^𝑁) ∧ 𝑥 = 𝐾) → (𝑥 mod 𝑁) = 𝐾) |
| 16 | elfzonn0 13757 | . . . . . . 7 ⊢ (𝐾 ∈ (0..^𝑁) → 𝐾 ∈ ℕ0) | |
| 17 | 12, 15, 16, 16 | fvmptd2 7002 | . . . . . 6 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼‘𝐾) = 𝐾) |
| 18 | 17 | eqcomd 2771 | . . . . 5 ⊢ (𝐾 ∈ (0..^𝑁) → 𝐾 = (𝐼‘𝐾)) |
| 19 | 18 | sneqd 4603 | . . . 4 ⊢ (𝐾 ∈ (0..^𝑁) → {𝐾} = {(𝐼‘𝐾)}) |
| 20 | 19 | xpeq2d 5693 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (ℕ0 × {𝐾}) = (ℕ0 × {(𝐼‘𝐾)})) |
| 21 | 10, 2 | eqtrdi 2816 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (ℕ0 × {𝐾})) |
| 22 | ovex 7452 | . . . . 5 ⊢ (𝑥 mod 𝑁) ∈ V | |
| 23 | 22, 12 | fnmpti 6682 | . . . 4 ⊢ 𝐼 Fn ℕ0 |
| 24 | fcoconst 7134 | . . . 4 ⊢ ((𝐼 Fn ℕ0 ∧ 𝐾 ∈ ℕ0) → (𝐼 ∘ (ℕ0 × {𝐾})) = (ℕ0 × {(𝐼‘𝐾)})) | |
| 25 | 23, 16, 24 | sylancr 599 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (ℕ0 × {𝐾})) = (ℕ0 × {(𝐼‘𝐾)})) |
| 26 | 20, 21, 25 | 3eqtr4d 2810 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (𝐼 ∘ (ℕ0 × {𝐾}))) |
| 27 | 4, 11, 26 | 3eqtr4d 2810 | 1 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝐺‘𝐾)) = (𝐺‘𝐾)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 {csn 4591 ↦ cmpt 5194 × cxp 5661 ∘ ccom 5667 Fn wfn 6535 ‘cfv 6540 (class class class)co 7419 0cc0 11119 ℕcn 12252 ℕ0cn0 12523 ..^cfzo 13703 mod cmo 13924 EndoFMndcefmnd 18968 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11175 ax-resscn 11176 ax-1cn 11177 ax-icn 11178 ax-addcl 11179 ax-addrcl 11180 ax-mulcl 11181 ax-mulrcl 11182 ax-mulcom 11183 ax-addass 11184 ax-mulass 11185 ax-distr 11186 ax-i2m1 11187 ax-1ne0 11188 ax-1rid 11189 ax-rnegex 11190 ax-rrecex 11191 ax-cnre 11192 ax-pre-lttri 11193 ax-pre-lttrn 11194 ax-pre-ltadd 11195 ax-pre-mulgt0 11196 ax-pre-sup 11197 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-sup 9409 df-inf 9410 df-pnf 11264 df-mnf 11265 df-xr 11266 df-ltxr 11267 df-le 11268 df-sub 11462 df-neg 11463 df-div 11891 df-nn 12253 df-n0 12524 df-z 12611 df-uz 12883 df-rp 13037 df-fz 13556 df-fzo 13704 df-fl 13847 df-mod 13925 |
| This theorem is used by: (None) |
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