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Mirrors > Home > MPE Home > Th. List > Mathboxes > knoppcnlem1 | Structured version Visualization version GIF version |
Description: Lemma for knoppcn 34733. (Contributed by Asger C. Ipsen, 4-Apr-2021.) |
Ref | Expression |
---|---|
knoppcnlem1.f | ⊢ 𝐹 = (𝑦 ∈ ℝ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))))) |
knoppcnlem1.2 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
knoppcnlem1.3 | ⊢ (𝜑 → 𝑀 ∈ ℕ0) |
Ref | Expression |
---|---|
knoppcnlem1 | ⊢ (𝜑 → ((𝐹‘𝐴)‘𝑀) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | knoppcnlem1.f | . . 3 ⊢ 𝐹 = (𝑦 ∈ ℝ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))))) | |
2 | oveq2 7315 | . . . . . 6 ⊢ (𝑦 = 𝐴 → (((2 · 𝑁)↑𝑛) · 𝑦) = (((2 · 𝑁)↑𝑛) · 𝐴)) | |
3 | 2 | fveq2d 6808 | . . . . 5 ⊢ (𝑦 = 𝐴 → (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦)) = (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))) |
4 | 3 | oveq2d 7323 | . . . 4 ⊢ (𝑦 = 𝐴 → ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))) = ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)))) |
5 | 4 | mpteq2dv 5183 | . . 3 ⊢ (𝑦 = 𝐴 → (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦)))) = (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))))) |
6 | knoppcnlem1.2 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
7 | nn0ex 12289 | . . . . 5 ⊢ ℕ0 ∈ V | |
8 | 7 | mptex 7131 | . . . 4 ⊢ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)))) ∈ V |
9 | 8 | a1i 11 | . . 3 ⊢ (𝜑 → (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)))) ∈ V) |
10 | 1, 5, 6, 9 | fvmptd3 6930 | . 2 ⊢ (𝜑 → (𝐹‘𝐴) = (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))))) |
11 | oveq2 7315 | . . . 4 ⊢ (𝑛 = 𝑀 → (𝐶↑𝑛) = (𝐶↑𝑀)) | |
12 | oveq2 7315 | . . . . 5 ⊢ (𝑛 = 𝑀 → ((2 · 𝑁)↑𝑛) = ((2 · 𝑁)↑𝑀)) | |
13 | 12 | fvoveq1d 7329 | . . . 4 ⊢ (𝑛 = 𝑀 → (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)) = (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴))) |
14 | 11, 13 | oveq12d 7325 | . . 3 ⊢ (𝑛 = 𝑀 → ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
15 | 14 | adantl 483 | . 2 ⊢ ((𝜑 ∧ 𝑛 = 𝑀) → ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
16 | knoppcnlem1.3 | . 2 ⊢ (𝜑 → 𝑀 ∈ ℕ0) | |
17 | ovexd 7342 | . 2 ⊢ (𝜑 → ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴))) ∈ V) | |
18 | 10, 15, 16, 17 | fvmptd 6914 | 1 ⊢ (𝜑 → ((𝐹‘𝐴)‘𝑀) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2104 Vcvv 3437 ↦ cmpt 5164 ‘cfv 6458 (class class class)co 7307 ℝcr 10920 · cmul 10926 2c2 12078 ℕ0cn0 12283 ↑cexp 13832 |
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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pr 5361 ax-un 7620 ax-cnex 10977 ax-1cn 10979 ax-addcl 10981 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-ral 3063 df-rex 3072 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-ov 7310 df-om 7745 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-nn 12024 df-n0 12284 |
This theorem is referenced by: knoppcnlem3 34724 knoppcnlem4 34725 knoppcnlem10 34731 knoppndvlem6 34746 knoppndvlem7 34747 knoppndvlem11 34751 |
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