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Mirrors > Home > MPE Home > Th. List > Mathboxes > knoppcnlem1 | Structured version Visualization version GIF version |
Description: Lemma for knoppcn 32821. (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 | . . . 4 ⊢ 𝐹 = (𝑦 ∈ ℝ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))))) | |
2 | 1 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑦 ∈ ℝ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦)))))) |
3 | oveq2 6822 | . . . . . . 7 ⊢ (𝑦 = 𝐴 → (((2 · 𝑁)↑𝑛) · 𝑦) = (((2 · 𝑁)↑𝑛) · 𝐴)) | |
4 | 3 | fveq2d 6357 | . . . . . 6 ⊢ (𝑦 = 𝐴 → (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦)) = (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))) |
5 | 4 | oveq2d 6830 | . . . . 5 ⊢ (𝑦 = 𝐴 → ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦))) = ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)))) |
6 | 5 | mpteq2dv 4897 | . . . 4 ⊢ (𝑦 = 𝐴 → (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦)))) = (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))))) |
7 | 6 | adantl 473 | . . 3 ⊢ ((𝜑 ∧ 𝑦 = 𝐴) → (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝑦)))) = (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))))) |
8 | knoppcnlem1.2 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
9 | nn0ex 11510 | . . . . 5 ⊢ ℕ0 ∈ V | |
10 | 9 | mptex 6651 | . . . 4 ⊢ (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)))) ∈ V |
11 | 10 | a1i 11 | . . 3 ⊢ (𝜑 → (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)))) ∈ V) |
12 | 2, 7, 8, 11 | fvmptd 6451 | . 2 ⊢ (𝜑 → (𝐹‘𝐴) = (𝑛 ∈ ℕ0 ↦ ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))))) |
13 | oveq2 6822 | . . . 4 ⊢ (𝑛 = 𝑀 → (𝐶↑𝑛) = (𝐶↑𝑀)) | |
14 | oveq2 6822 | . . . . . 6 ⊢ (𝑛 = 𝑀 → ((2 · 𝑁)↑𝑛) = ((2 · 𝑁)↑𝑀)) | |
15 | 14 | oveq1d 6829 | . . . . 5 ⊢ (𝑛 = 𝑀 → (((2 · 𝑁)↑𝑛) · 𝐴) = (((2 · 𝑁)↑𝑀) · 𝐴)) |
16 | 15 | fveq2d 6357 | . . . 4 ⊢ (𝑛 = 𝑀 → (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴)) = (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴))) |
17 | 13, 16 | oveq12d 6832 | . . 3 ⊢ (𝑛 = 𝑀 → ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
18 | 17 | adantl 473 | . 2 ⊢ ((𝜑 ∧ 𝑛 = 𝑀) → ((𝐶↑𝑛) · (𝑇‘(((2 · 𝑁)↑𝑛) · 𝐴))) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
19 | knoppcnlem1.3 | . 2 ⊢ (𝜑 → 𝑀 ∈ ℕ0) | |
20 | ovexd 6844 | . 2 ⊢ (𝜑 → ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴))) ∈ V) | |
21 | 12, 18, 19, 20 | fvmptd 6451 | 1 ⊢ (𝜑 → ((𝐹‘𝐴)‘𝑀) = ((𝐶↑𝑀) · (𝑇‘(((2 · 𝑁)↑𝑀) · 𝐴)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1632 ∈ wcel 2139 Vcvv 3340 ↦ cmpt 4881 ‘cfv 6049 (class class class)co 6814 ℝcr 10147 · cmul 10153 2c2 11282 ℕ0cn0 11504 ↑cexp 13074 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1988 ax-6 2054 ax-7 2090 ax-8 2141 ax-9 2148 ax-10 2168 ax-11 2183 ax-12 2196 ax-13 2391 ax-ext 2740 ax-rep 4923 ax-sep 4933 ax-nul 4941 ax-pow 4992 ax-pr 5055 ax-un 7115 ax-cnex 10204 ax-resscn 10205 ax-1cn 10206 ax-icn 10207 ax-addcl 10208 ax-addrcl 10209 ax-mulcl 10210 ax-mulrcl 10211 ax-i2m1 10216 ax-1ne0 10217 ax-rrecex 10220 ax-cnre 10221 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1073 df-3an 1074 df-tru 1635 df-ex 1854 df-nf 1859 df-sb 2047 df-eu 2611 df-mo 2612 df-clab 2747 df-cleq 2753 df-clel 2756 df-nfc 2891 df-ne 2933 df-ral 3055 df-rex 3056 df-reu 3057 df-rab 3059 df-v 3342 df-sbc 3577 df-csb 3675 df-dif 3718 df-un 3720 df-in 3722 df-ss 3729 df-pss 3731 df-nul 4059 df-if 4231 df-pw 4304 df-sn 4322 df-pr 4324 df-tp 4326 df-op 4328 df-uni 4589 df-iun 4674 df-br 4805 df-opab 4865 df-mpt 4882 df-tr 4905 df-id 5174 df-eprel 5179 df-po 5187 df-so 5188 df-fr 5225 df-we 5227 df-xp 5272 df-rel 5273 df-cnv 5274 df-co 5275 df-dm 5276 df-rn 5277 df-res 5278 df-ima 5279 df-pred 5841 df-ord 5887 df-on 5888 df-lim 5889 df-suc 5890 df-iota 6012 df-fun 6051 df-fn 6052 df-f 6053 df-f1 6054 df-fo 6055 df-f1o 6056 df-fv 6057 df-ov 6817 df-om 7232 df-wrecs 7577 df-recs 7638 df-rdg 7676 df-nn 11233 df-n0 11505 |
This theorem is referenced by: knoppcnlem3 32812 knoppcnlem4 32813 knoppcnlem10 32819 knoppndvlem6 32835 knoppndvlem7 32836 knoppndvlem11 32840 |
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