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| Mirrors > Home > MPE Home > Th. List > Mathboxes > eulerpartleme | Structured version Visualization version GIF version | ||
| Description: Lemma for eulerpart 34380. (Contributed by Mario Carneiro, 26-Jan-2015.) |
| Ref | Expression |
|---|---|
| eulerpart.p | ⊢ 𝑃 = {𝑓 ∈ (ℕ0 ↑m ℕ) ∣ ((◡𝑓 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = 𝑁)} |
| Ref | Expression |
|---|---|
| eulerpartleme | ⊢ (𝐴 ∈ 𝑃 ↔ (𝐴:ℕ⟶ℕ0 ∧ (◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0ex 12455 | . . . 4 ⊢ ℕ0 ∈ V | |
| 2 | nnex 12199 | . . . 4 ⊢ ℕ ∈ V | |
| 3 | 1, 2 | elmap 8847 | . . 3 ⊢ (𝐴 ∈ (ℕ0 ↑m ℕ) ↔ 𝐴:ℕ⟶ℕ0) |
| 4 | 3 | anbi1i 624 | . 2 ⊢ ((𝐴 ∈ (ℕ0 ↑m ℕ) ∧ ((◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁)) ↔ (𝐴:ℕ⟶ℕ0 ∧ ((◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁))) |
| 5 | cnveq 5840 | . . . . . 6 ⊢ (𝑓 = 𝐴 → ◡𝑓 = ◡𝐴) | |
| 6 | 5 | imaeq1d 6033 | . . . . 5 ⊢ (𝑓 = 𝐴 → (◡𝑓 “ ℕ) = (◡𝐴 “ ℕ)) |
| 7 | 6 | eleq1d 2814 | . . . 4 ⊢ (𝑓 = 𝐴 → ((◡𝑓 “ ℕ) ∈ Fin ↔ (◡𝐴 “ ℕ) ∈ Fin)) |
| 8 | fveq1 6860 | . . . . . . 7 ⊢ (𝑓 = 𝐴 → (𝑓‘𝑘) = (𝐴‘𝑘)) | |
| 9 | 8 | oveq1d 7405 | . . . . . 6 ⊢ (𝑓 = 𝐴 → ((𝑓‘𝑘) · 𝑘) = ((𝐴‘𝑘) · 𝑘)) |
| 10 | 9 | sumeq2sdv 15676 | . . . . 5 ⊢ (𝑓 = 𝐴 → Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘)) |
| 11 | 10 | eqeq1d 2732 | . . . 4 ⊢ (𝑓 = 𝐴 → (Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = 𝑁 ↔ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁)) |
| 12 | 7, 11 | anbi12d 632 | . . 3 ⊢ (𝑓 = 𝐴 → (((◡𝑓 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = 𝑁) ↔ ((◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁))) |
| 13 | eulerpart.p | . . 3 ⊢ 𝑃 = {𝑓 ∈ (ℕ0 ↑m ℕ) ∣ ((◡𝑓 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = 𝑁)} | |
| 14 | 12, 13 | elrab2 3665 | . 2 ⊢ (𝐴 ∈ 𝑃 ↔ (𝐴 ∈ (ℕ0 ↑m ℕ) ∧ ((◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁))) |
| 15 | 3anass 1094 | . 2 ⊢ ((𝐴:ℕ⟶ℕ0 ∧ (◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁) ↔ (𝐴:ℕ⟶ℕ0 ∧ ((◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁))) | |
| 16 | 4, 14, 15 | 3bitr4i 303 | 1 ⊢ (𝐴 ∈ 𝑃 ↔ (𝐴:ℕ⟶ℕ0 ∧ (◡𝐴 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘) = 𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 {crab 3408 ◡ccnv 5640 “ cima 5644 ⟶wf 6510 ‘cfv 6514 (class class class)co 7390 ↑m cmap 8802 Fincfn 8921 · cmul 11080 ℕcn 12193 ℕ0cn0 12449 Σcsu 15659 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-cnex 11131 ax-1cn 11133 ax-addcl 11135 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7846 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-map 8804 df-nn 12194 df-n0 12450 df-seq 13974 df-sum 15660 |
| This theorem is referenced by: eulerpartlemv 34362 eulerpartlemd 34364 eulerpartlemb 34366 eulerpartlemn 34379 |
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