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Mirrors > Home > MPE Home > Th. List > rrxmetlem | Structured version Visualization version GIF version |
Description: Lemma for rrxmet 22999. (Contributed by Thierry Arnoux, 5-Jul-2019.) |
Ref | Expression |
---|---|
rrxmval.1 | ⊢ 𝑋 = {ℎ ∈ (ℝ ↑𝑚 𝐼) ∣ ℎ finSupp 0} |
rrxmval.d | ⊢ 𝐷 = (dist‘(ℝ^‘𝐼)) |
rrxmetlem.1 | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
rrxmetlem.2 | ⊢ (𝜑 → 𝐹 ∈ 𝑋) |
rrxmetlem.3 | ⊢ (𝜑 → 𝐺 ∈ 𝑋) |
rrxmetlem.4 | ⊢ (𝜑 → 𝐴 ⊆ 𝐼) |
rrxmetlem.5 | ⊢ (𝜑 → 𝐴 ∈ Fin) |
rrxmetlem.6 | ⊢ (𝜑 → ((𝐹 supp 0) ∪ (𝐺 supp 0)) ⊆ 𝐴) |
Ref | Expression |
---|---|
rrxmetlem | ⊢ (𝜑 → Σ𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))(((𝐹‘𝑘) − (𝐺‘𝑘))↑2) = Σ𝑘 ∈ 𝐴 (((𝐹‘𝑘) − (𝐺‘𝑘))↑2)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rrxmetlem.6 | . 2 ⊢ (𝜑 → ((𝐹 supp 0) ∪ (𝐺 supp 0)) ⊆ 𝐴) | |
2 | rrxmetlem.4 | . . . . . . 7 ⊢ (𝜑 → 𝐴 ⊆ 𝐼) | |
3 | 1, 2 | sstrd 3578 | . . . . . 6 ⊢ (𝜑 → ((𝐹 supp 0) ∪ (𝐺 supp 0)) ⊆ 𝐼) |
4 | 3 | sselda 3568 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))) → 𝑘 ∈ 𝐼) |
5 | rrxmval.1 | . . . . . . . 8 ⊢ 𝑋 = {ℎ ∈ (ℝ ↑𝑚 𝐼) ∣ ℎ finSupp 0} | |
6 | rrxmetlem.2 | . . . . . . . 8 ⊢ (𝜑 → 𝐹 ∈ 𝑋) | |
7 | 5, 6 | rrxf 22992 | . . . . . . 7 ⊢ (𝜑 → 𝐹:𝐼⟶ℝ) |
8 | 7 | ffvelrnda 6267 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐼) → (𝐹‘𝑘) ∈ ℝ) |
9 | 8 | recnd 9947 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐼) → (𝐹‘𝑘) ∈ ℂ) |
10 | 4, 9 | syldan 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))) → (𝐹‘𝑘) ∈ ℂ) |
11 | rrxmetlem.3 | . . . . . . . 8 ⊢ (𝜑 → 𝐺 ∈ 𝑋) | |
12 | 5, 11 | rrxf 22992 | . . . . . . 7 ⊢ (𝜑 → 𝐺:𝐼⟶ℝ) |
13 | 12 | ffvelrnda 6267 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐼) → (𝐺‘𝑘) ∈ ℝ) |
14 | 13 | recnd 9947 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐼) → (𝐺‘𝑘) ∈ ℂ) |
15 | 4, 14 | syldan 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))) → (𝐺‘𝑘) ∈ ℂ) |
16 | 10, 15 | subcld 10271 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))) → ((𝐹‘𝑘) − (𝐺‘𝑘)) ∈ ℂ) |
17 | 16 | sqcld 12868 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))) → (((𝐹‘𝑘) − (𝐺‘𝑘))↑2) ∈ ℂ) |
18 | 2 | ssdifd 3708 | . . . 4 ⊢ (𝜑 → (𝐴 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0))) ⊆ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) |
19 | 18 | sselda 3568 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐴 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) |
20 | simpr 476 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) | |
21 | 20 | eldifad 3552 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → 𝑘 ∈ 𝐼) |
22 | 21, 9 | syldan 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → (𝐹‘𝑘) ∈ ℂ) |
23 | ssun1 3738 | . . . . . . . 8 ⊢ (𝐹 supp 0) ⊆ ((𝐹 supp 0) ∪ (𝐺 supp 0)) | |
24 | 23 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → (𝐹 supp 0) ⊆ ((𝐹 supp 0) ∪ (𝐺 supp 0))) |
25 | rrxmetlem.1 | . . . . . . 7 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
26 | 0red 9920 | . . . . . . 7 ⊢ (𝜑 → 0 ∈ ℝ) | |
27 | 7, 24, 25, 26 | suppssr 7213 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → (𝐹‘𝑘) = 0) |
28 | ssun2 3739 | . . . . . . . 8 ⊢ (𝐺 supp 0) ⊆ ((𝐹 supp 0) ∪ (𝐺 supp 0)) | |
29 | 28 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → (𝐺 supp 0) ⊆ ((𝐹 supp 0) ∪ (𝐺 supp 0))) |
30 | 12, 29, 25, 26 | suppssr 7213 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → (𝐺‘𝑘) = 0) |
31 | 27, 30 | eqtr4d 2647 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → (𝐹‘𝑘) = (𝐺‘𝑘)) |
32 | 22, 31 | subeq0bd 10335 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → ((𝐹‘𝑘) − (𝐺‘𝑘)) = 0) |
33 | 32 | sq0id 12819 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐼 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → (((𝐹‘𝑘) − (𝐺‘𝑘))↑2) = 0) |
34 | 19, 33 | syldan 486 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝐴 ∖ ((𝐹 supp 0) ∪ (𝐺 supp 0)))) → (((𝐹‘𝑘) − (𝐺‘𝑘))↑2) = 0) |
35 | rrxmetlem.5 | . 2 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
36 | 1, 17, 34, 35 | fsumss 14303 | 1 ⊢ (𝜑 → Σ𝑘 ∈ ((𝐹 supp 0) ∪ (𝐺 supp 0))(((𝐹‘𝑘) − (𝐺‘𝑘))↑2) = Σ𝑘 ∈ 𝐴 (((𝐹‘𝑘) − (𝐺‘𝑘))↑2)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 {crab 2900 ∖ cdif 3537 ∪ cun 3538 ⊆ wss 3540 class class class wbr 4583 ‘cfv 5804 (class class class)co 6549 supp csupp 7182 ↑𝑚 cmap 7744 Fincfn 7841 finSupp cfsupp 8158 ℂcc 9813 ℝcr 9814 0cc0 9815 − cmin 10145 2c2 10947 ↑cexp 12722 Σcsu 14264 distcds 15777 ℝ^crrx 22979 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-inf2 8421 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 ax-pre-sup 9893 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-fal 1481 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-se 4998 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-isom 5813 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-supp 7183 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-sup 8231 df-oi 8298 df-card 8648 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 df-2 10956 df-3 10957 df-n0 11170 df-z 11255 df-uz 11564 df-rp 11709 df-fz 12198 df-fzo 12335 df-seq 12664 df-exp 12723 df-hash 12980 df-cj 13687 df-re 13688 df-im 13689 df-sqrt 13823 df-abs 13824 df-clim 14067 df-sum 14265 |
This theorem is referenced by: rrxmet 22999 |
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