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Mirrors > Home > MPE Home > Th. List > Mathboxes > eulerpartlemelr | Structured version Visualization version GIF version |
Description: Lemma for eulerpart 31642. (Contributed by Thierry Arnoux, 8-Aug-2018.) |
Ref | Expression |
---|---|
eulerpartlems.r | ⊢ 𝑅 = {𝑓 ∣ (◡𝑓 “ ℕ) ∈ Fin} |
eulerpartlems.s | ⊢ 𝑆 = (𝑓 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) ↦ Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘)) |
Ref | Expression |
---|---|
eulerpartlemelr | ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → (𝐴:ℕ⟶ℕ0 ∧ (◡𝐴 “ ℕ) ∈ Fin)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | inss1 4207 | . . . 4 ⊢ ((ℕ0 ↑m ℕ) ∩ 𝑅) ⊆ (ℕ0 ↑m ℕ) | |
2 | 1 | sseli 3965 | . . 3 ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → 𝐴 ∈ (ℕ0 ↑m ℕ)) |
3 | elmapi 8430 | . . 3 ⊢ (𝐴 ∈ (ℕ0 ↑m ℕ) → 𝐴:ℕ⟶ℕ0) | |
4 | 2, 3 | syl 17 | . 2 ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → 𝐴:ℕ⟶ℕ0) |
5 | inss2 4208 | . . . 4 ⊢ ((ℕ0 ↑m ℕ) ∩ 𝑅) ⊆ 𝑅 | |
6 | 5 | sseli 3965 | . . 3 ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → 𝐴 ∈ 𝑅) |
7 | cnveq 5746 | . . . . . 6 ⊢ (𝑓 = 𝐴 → ◡𝑓 = ◡𝐴) | |
8 | 7 | imaeq1d 5930 | . . . . 5 ⊢ (𝑓 = 𝐴 → (◡𝑓 “ ℕ) = (◡𝐴 “ ℕ)) |
9 | 8 | eleq1d 2899 | . . . 4 ⊢ (𝑓 = 𝐴 → ((◡𝑓 “ ℕ) ∈ Fin ↔ (◡𝐴 “ ℕ) ∈ Fin)) |
10 | eulerpartlems.r | . . . 4 ⊢ 𝑅 = {𝑓 ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
11 | 9, 10 | elab2g 3670 | . . 3 ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → (𝐴 ∈ 𝑅 ↔ (◡𝐴 “ ℕ) ∈ Fin)) |
12 | 6, 11 | mpbid 234 | . 2 ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → (◡𝐴 “ ℕ) ∈ Fin) |
13 | 4, 12 | jca 514 | 1 ⊢ (𝐴 ∈ ((ℕ0 ↑m ℕ) ∩ 𝑅) → (𝐴:ℕ⟶ℕ0 ∧ (◡𝐴 “ ℕ) ∈ Fin)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 {cab 2801 ∩ cin 3937 ↦ cmpt 5148 ◡ccnv 5556 “ cima 5560 ⟶wf 6353 ‘cfv 6357 (class class class)co 7158 ↑m cmap 8408 Fincfn 8511 · cmul 10544 ℕcn 11640 ℕ0cn0 11900 Σcsu 15044 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-fv 6365 df-ov 7161 df-oprab 7162 df-mpo 7163 df-1st 7691 df-2nd 7692 df-map 8410 |
This theorem is referenced by: eulerpartlemsv2 31618 eulerpartlemsf 31619 eulerpartlems 31620 eulerpartlemsv3 31621 eulerpartlemgc 31622 |
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