| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > eulerpartleme | Structured version Visualization version GIF version | ||
| Description: Lemma for eulerpart 34390. (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 12384 | . . . 4 ⊢ ℕ0 ∈ V | |
| 2 | nnex 12128 | . . . 4 ⊢ ℕ ∈ V | |
| 3 | 1, 2 | elmap 8795 | . . 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 5813 | . . . . . 6 ⊢ (𝑓 = 𝐴 → ◡𝑓 = ◡𝐴) | |
| 6 | 5 | imaeq1d 6008 | . . . . 5 ⊢ (𝑓 = 𝐴 → (◡𝑓 “ ℕ) = (◡𝐴 “ ℕ)) |
| 7 | 6 | eleq1d 2816 | . . . 4 ⊢ (𝑓 = 𝐴 → ((◡𝑓 “ ℕ) ∈ Fin ↔ (◡𝐴 “ ℕ) ∈ Fin)) |
| 8 | fveq1 6821 | . . . . . . 7 ⊢ (𝑓 = 𝐴 → (𝑓‘𝑘) = (𝐴‘𝑘)) | |
| 9 | 8 | oveq1d 7361 | . . . . . 6 ⊢ (𝑓 = 𝐴 → ((𝑓‘𝑘) · 𝑘) = ((𝐴‘𝑘) · 𝑘)) |
| 10 | 9 | sumeq2sdv 15607 | . . . . 5 ⊢ (𝑓 = 𝐴 → Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = Σ𝑘 ∈ ℕ ((𝐴‘𝑘) · 𝑘)) |
| 11 | 10 | eqeq1d 2733 | . . . 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 3650 | . 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 1541 ∈ wcel 2111 {crab 3395 ◡ccnv 5615 “ cima 5619 ⟶wf 6477 ‘cfv 6481 (class class class)co 7346 ↑m cmap 8750 Fincfn 8869 · cmul 11008 ℕcn 12122 ℕ0cn0 12378 Σcsu 15590 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5234 ax-nul 5244 ax-pow 5303 ax-pr 5370 ax-un 7668 ax-cnex 11059 ax-1cn 11061 ax-addcl 11063 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4476 df-pw 4552 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-iun 4943 df-br 5092 df-opab 5154 df-mpt 5173 df-tr 5199 df-id 5511 df-eprel 5516 df-po 5524 df-so 5525 df-fr 5569 df-we 5571 df-xp 5622 df-rel 5623 df-cnv 5624 df-co 5625 df-dm 5626 df-rn 5627 df-res 5628 df-ima 5629 df-pred 6248 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-ov 7349 df-oprab 7350 df-mpo 7351 df-om 7797 df-2nd 7922 df-frecs 8211 df-wrecs 8242 df-recs 8291 df-rdg 8329 df-map 8752 df-nn 12123 df-n0 12379 df-seq 13906 df-sum 15591 |
| This theorem is referenced by: eulerpartlemv 34372 eulerpartlemd 34374 eulerpartlemb 34376 eulerpartlemn 34389 |
| Copyright terms: Public domain | W3C validator |