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Mirrors > Home > MPE Home > Th. List > psrmulfval | Structured version Visualization version GIF version |
Description: The multiplication operation of the multivariate power series structure. (Contributed by Mario Carneiro, 28-Dec-2014.) |
Ref | Expression |
---|---|
psrmulr.s | ⊢ 𝑆 = (𝐼 mPwSer 𝑅) |
psrmulr.b | ⊢ 𝐵 = (Base‘𝑆) |
psrmulr.m | ⊢ · = (.r‘𝑅) |
psrmulr.t | ⊢ ∙ = (.r‘𝑆) |
psrmulr.d | ⊢ 𝐷 = {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} |
psrmulfval.i | ⊢ (𝜑 → 𝐹 ∈ 𝐵) |
psrmulfval.r | ⊢ (𝜑 → 𝐺 ∈ 𝐵) |
Ref | Expression |
---|---|
psrmulfval | ⊢ (𝜑 → (𝐹 ∙ 𝐺) = (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥))))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | psrmulfval.i | . 2 ⊢ (𝜑 → 𝐹 ∈ 𝐵) | |
2 | psrmulfval.r | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝐵) | |
3 | fveq1 6808 | . . . . . . 7 ⊢ (𝑓 = 𝐹 → (𝑓‘𝑥) = (𝐹‘𝑥)) | |
4 | fveq1 6808 | . . . . . . 7 ⊢ (𝑔 = 𝐺 → (𝑔‘(𝑘 ∘f − 𝑥)) = (𝐺‘(𝑘 ∘f − 𝑥))) | |
5 | 3, 4 | oveqan12d 7332 | . . . . . 6 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥))) = ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥)))) |
6 | 5 | mpteq2dv 5187 | . . . . 5 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥)))) = (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥))))) |
7 | 6 | oveq2d 7329 | . . . 4 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥))))) = (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥)))))) |
8 | 7 | mpteq2dv 5187 | . . 3 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥)))))) = (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥))))))) |
9 | psrmulr.s | . . . 4 ⊢ 𝑆 = (𝐼 mPwSer 𝑅) | |
10 | psrmulr.b | . . . 4 ⊢ 𝐵 = (Base‘𝑆) | |
11 | psrmulr.m | . . . 4 ⊢ · = (.r‘𝑅) | |
12 | psrmulr.t | . . . 4 ⊢ ∙ = (.r‘𝑆) | |
13 | psrmulr.d | . . . 4 ⊢ 𝐷 = {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} | |
14 | 9, 10, 11, 12, 13 | psrmulr 21224 | . . 3 ⊢ ∙ = (𝑓 ∈ 𝐵, 𝑔 ∈ 𝐵 ↦ (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥))))))) |
15 | ovex 7346 | . . . . 5 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
16 | 13, 15 | rabex2 5271 | . . . 4 ⊢ 𝐷 ∈ V |
17 | 16 | mptex 7136 | . . 3 ⊢ (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥)))))) ∈ V |
18 | 8, 14, 17 | ovmpoa 7466 | . 2 ⊢ ((𝐹 ∈ 𝐵 ∧ 𝐺 ∈ 𝐵) → (𝐹 ∙ 𝐺) = (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥))))))) |
19 | 1, 2, 18 | syl2anc 584 | 1 ⊢ (𝜑 → (𝐹 ∙ 𝐺) = (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥))))))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1540 ∈ wcel 2105 {crab 3404 class class class wbr 5085 ↦ cmpt 5168 ◡ccnv 5604 “ cima 5608 ‘cfv 6463 (class class class)co 7313 ∘f cof 7569 ∘r cofr 7570 ↑m cmap 8661 Fincfn 8779 ≤ cle 11080 − cmin 11275 ℕcn 12043 ℕ0cn0 12303 Basecbs 16979 .rcmulr 17030 Σg cgsu 17218 mPwSer cmps 21178 |
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 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2708 ax-rep 5222 ax-sep 5236 ax-nul 5243 ax-pow 5301 ax-pr 5365 ax-un 7626 ax-cnex 10997 ax-resscn 10998 ax-1cn 10999 ax-icn 11000 ax-addcl 11001 ax-addrcl 11002 ax-mulcl 11003 ax-mulrcl 11004 ax-mulcom 11005 ax-addass 11006 ax-mulass 11007 ax-distr 11008 ax-i2m1 11009 ax-1ne0 11010 ax-1rid 11011 ax-rnegex 11012 ax-rrecex 11013 ax-cnre 11014 ax-pre-lttri 11015 ax-pre-lttrn 11016 ax-pre-ltadd 11017 ax-pre-mulgt0 11018 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-reu 3351 df-rab 3405 df-v 3443 df-sbc 3726 df-csb 3842 df-dif 3899 df-un 3901 df-in 3903 df-ss 3913 df-pss 3915 df-nul 4267 df-if 4470 df-pw 4545 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4849 df-iun 4937 df-br 5086 df-opab 5148 df-mpt 5169 df-tr 5203 df-id 5505 df-eprel 5511 df-po 5519 df-so 5520 df-fr 5560 df-we 5562 df-xp 5611 df-rel 5612 df-cnv 5613 df-co 5614 df-dm 5615 df-rn 5616 df-res 5617 df-ima 5618 df-pred 6222 df-ord 6289 df-on 6290 df-lim 6291 df-suc 6292 df-iota 6415 df-fun 6465 df-fn 6466 df-f 6467 df-f1 6468 df-fo 6469 df-f1o 6470 df-fv 6471 df-riota 7270 df-ov 7316 df-oprab 7317 df-mpo 7318 df-of 7571 df-om 7756 df-1st 7874 df-2nd 7875 df-supp 8023 df-frecs 8142 df-wrecs 8173 df-recs 8247 df-rdg 8286 df-1o 8342 df-er 8544 df-map 8663 df-en 8780 df-dom 8781 df-sdom 8782 df-fin 8783 df-fsupp 9197 df-pnf 11081 df-mnf 11082 df-xr 11083 df-ltxr 11084 df-le 11085 df-sub 11277 df-neg 11278 df-nn 12044 df-2 12106 df-3 12107 df-4 12108 df-5 12109 df-6 12110 df-7 12111 df-8 12112 df-9 12113 df-n0 12304 df-z 12390 df-uz 12653 df-fz 13310 df-struct 16915 df-slot 16950 df-ndx 16962 df-base 16980 df-plusg 17042 df-mulr 17043 df-sca 17045 df-vsca 17046 df-tset 17048 df-psr 21183 |
This theorem is referenced by: psrmulval 21226 psrmulcllem 21227 psrdi 21246 psrdir 21247 psrass23l 21248 psrcom 21249 psrass23 21250 resspsrmul 21257 mplmul 21286 psropprmul 21480 coe1mul2 21511 |
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