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| Mirrors > Home > MPE Home > Th. List > smndex1igidOLD | Structured version Visualization version GIF version | ||
| Description: Obsolete version of smndex1igid 19102 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 5713 | . . . . 5 ⊢ (ℕ0 × {𝐾}) = (𝑥 ∈ ℕ0 ↦ 𝐾) | |
| 2 | 1 | eqcomi 2770 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ 𝐾) = (ℕ0 × {𝐾}) |
| 3 | 2 | a1i 11 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝑥 ∈ ℕ0 ↦ 𝐾) = (ℕ0 × {𝐾})) |
| 4 | 3 | coeq2d 5840 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝑥 ∈ ℕ0 ↦ 𝐾)) = (𝐼 ∘ (ℕ0 × {𝐾}))) |
| 5 | simpl 488 | . . . . 5 ⊢ ((𝑛 = 𝐾 ∧ 𝑥 ∈ ℕ0) → 𝑛 = 𝐾) | |
| 6 | 5 | mpteq2dva 5198 | . . . 4 ⊢ (𝑛 = 𝐾 → (𝑥 ∈ ℕ0 ↦ 𝑛) = (𝑥 ∈ ℕ0 ↦ 𝐾)) |
| 7 | smndex1ibas.g | . . . 4 ⊢ 𝐺 = (𝑛 ∈ (0..^𝑁) ↦ (𝑥 ∈ ℕ0 ↦ 𝑛)) | |
| 8 | nn0ex 12612 | . . . . 5 ⊢ ℕ0 ∈ V | |
| 9 | 8 | mptex 7229 | . . . 4 ⊢ (𝑥 ∈ ℕ0 ↦ 𝐾) ∈ V |
| 10 | 6, 7, 9 | fvmpt 6993 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (𝑥 ∈ ℕ0 ↦ 𝐾)) |
| 11 | 10 | coeq2d 5840 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼 ∘ (𝐺‘𝐾)) = (𝐼 ∘ (𝑥 ∈ ℕ0 ↦ 𝐾))) |
| 12 | smndex1ibas.i | . . . . . . 7 ⊢ 𝐼 = (𝑥 ∈ ℕ0 ↦ (𝑥 mod 𝑁)) | |
| 13 | oveq1 7427 | . . . . . . . 8 ⊢ (𝑥 = 𝐾 → (𝑥 mod 𝑁) = (𝐾 mod 𝑁)) | |
| 14 | zmodidfzoimp 14041 | . . . . . . . 8 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐾 mod 𝑁) = 𝐾) | |
| 15 | 13, 14 | sylan9eqr 2818 | . . . . . . 7 ⊢ ((𝐾 ∈ (0..^𝑁) ∧ 𝑥 = 𝐾) → (𝑥 mod 𝑁) = 𝐾) |
| 16 | elfzonn0 13842 | . . . . . . 7 ⊢ (𝐾 ∈ (0..^𝑁) → 𝐾 ∈ ℕ0) | |
| 17 | 12, 15, 16, 16 | fvmptd2 7002 | . . . . . 6 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐼‘𝐾) = 𝐾) |
| 18 | 17 | eqcomd 2767 | . . . . 5 ⊢ (𝐾 ∈ (0..^𝑁) → 𝐾 = (𝐼‘𝐾)) |
| 19 | 18 | sneqd 4596 | . . . 4 ⊢ (𝐾 ∈ (0..^𝑁) → {𝐾} = {(𝐼‘𝐾)}) |
| 20 | 19 | xpeq2d 5681 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (ℕ0 × {𝐾}) = (ℕ0 × {(𝐼‘𝐾)})) |
| 21 | 10, 2 | eqtrdi 2812 | . . 3 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (ℕ0 × {𝐾})) |
| 22 | ovex 7453 | . . . . 5 ⊢ (𝑥 mod 𝑁) ∈ V | |
| 23 | 22, 12 | fnmpti 6682 | . . . 4 ⊢ 𝐼 Fn ℕ0 |
| 24 | fcoconst 7135 | . . . 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 2806 | . 2 ⊢ (𝐾 ∈ (0..^𝑁) → (𝐺‘𝐾) = (𝐼 ∘ (ℕ0 × {𝐾}))) |
| 27 | 4, 11, 26 | 3eqtr4d 2806 | 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 2145 {csn 4584 ↦ cmpt 5186 × cxp 5649 ∘ ccom 5655 Fn wfn 6533 ‘cfv 6538 (class class class)co 7420 0cc0 11200 ℕcn 12335 ℕ0cn0 12606 ..^cfzo 13788 mod cmo 14009 EndoFMndcefmnd 19064 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 ax-pre-sup 11278 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-sup 9434 df-inf 9435 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-div 11974 df-nn 12336 df-n0 12607 df-z 12694 df-uz 12966 df-rp 13121 df-fz 13640 df-fzo 13789 df-fl 13932 df-mod 14010 |
| This theorem is used by: (None) |
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