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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 6833 | . . . . . . 7 ⊢ (𝑓 = 𝐹 → (𝑓‘𝑥) = (𝐹‘𝑥)) | |
| 4 | fveq1 6833 | . . . . . . 7 ⊢ (𝑔 = 𝐺 → (𝑔‘(𝑘 ∘f − 𝑥)) = (𝐺‘(𝑘 ∘f − 𝑥))) | |
| 5 | 3, 4 | oveqan12d 7379 | . . . . . 6 ⊢ ((𝑓 = 𝐹 ∧ 𝑔 = 𝐺) → ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥))) = ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥)))) |
| 6 | 5 | mpteq2dv 5180 | . . . . 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 7376 | . . . 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 5180 | . . 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 21931 | . . 3 ⊢ ∙ = (𝑓 ∈ 𝐵, 𝑔 ∈ 𝐵 ↦ (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑓‘𝑥) · (𝑔‘(𝑘 ∘f − 𝑥))))))) |
| 15 | ovex 7393 | . . . . 5 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
| 16 | 13, 15 | rabex2 5278 | . . . 4 ⊢ 𝐷 ∈ V |
| 17 | 16 | mptex 7171 | . . 3 ⊢ (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑥) · (𝐺‘(𝑘 ∘f − 𝑥)))))) ∈ V |
| 18 | 8, 14, 17 | ovmpoa 7515 | . 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 585 | 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 395 = wceq 1542 ∈ wcel 2114 {crab 3390 class class class wbr 5086 ↦ cmpt 5167 ◡ccnv 5623 “ cima 5627 ‘cfv 6492 (class class class)co 7360 ∘f cof 7622 ∘r cofr 7623 ↑m cmap 8766 Fincfn 8886 ≤ cle 11171 − cmin 11368 ℕcn 12165 ℕ0cn0 12428 Basecbs 17170 .rcmulr 17212 Σg cgsu 17394 mPwSer cmps 21894 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-of 7624 df-om 7811 df-1st 7935 df-2nd 7936 df-supp 8104 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-er 8636 df-map 8768 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-fsupp 9268 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-z 12516 df-uz 12780 df-fz 13453 df-struct 17108 df-slot 17143 df-ndx 17155 df-base 17171 df-plusg 17224 df-mulr 17225 df-sca 17227 df-vsca 17228 df-tset 17230 df-psr 21899 |
| This theorem is referenced by: psrmulval 21933 psrmulcllem 21934 psrdi 21953 psrdir 21954 psrass23l 21955 psrcom 21956 psrass23 21957 resspsrmul 21964 mplmul 21999 psropprmul 22211 coe1mul2 22244 psrmonmul 33709 rhmcomulpsr 43008 |
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