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| Mirrors > Home > MPE Home > Th. List > psrmulcllem | Structured version Visualization version GIF version | ||
| Description: Closure of the power series multiplication operation. (Contributed by Mario Carneiro, 29-Dec-2014.) |
| Ref | Expression |
|---|---|
| psrmulcl.s | ⊢ 𝑆 = (𝐼 mPwSer 𝑅) |
| psrmulcl.b | ⊢ 𝐵 = (Base‘𝑆) |
| psrmulcl.t | ⊢ · = (.r‘𝑆) |
| psrmulcl.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| psrmulcl.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| psrmulcl.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| psrmulcl.d | ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} |
| Ref | Expression |
|---|---|
| psrmulcllem | ⊢ (𝜑 → (𝑋 · 𝑌) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | psrmulcl.d | . . . . 5 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
| 2 | psrmulcl.r | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 3 | psrmulcl.s | . . . . . 6 ⊢ 𝑆 = (𝐼 mPwSer 𝑅) | |
| 4 | eqid 2741 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 5 | psrmulcl.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑆) | |
| 6 | psrmulcl.x | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 7 | 3, 4, 1, 5, 6 | psrelbas 21913 | . . . . 5 ⊢ (𝜑 → 𝑋:𝐷⟶(Base‘𝑅)) |
| 8 | psrmulcl.y | . . . . . 6 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 9 | 3, 4, 1, 5, 8 | psrelbas 21913 | . . . . 5 ⊢ (𝜑 → 𝑌:𝐷⟶(Base‘𝑅)) |
| 10 | 1, 2, 7, 9 | rhmpsrlem2 21919 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥))))) ∈ (Base‘𝑅)) |
| 11 | 10 | fmpttd 7059 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥)))))):𝐷⟶(Base‘𝑅)) |
| 12 | fvex 6843 | . . . 4 ⊢ (Base‘𝑅) ∈ V | |
| 13 | ovex 7392 | . . . . 5 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
| 14 | 1, 13 | rabex2 5271 | . . . 4 ⊢ 𝐷 ∈ V |
| 15 | 12, 14 | elmap 8813 | . . 3 ⊢ ((𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥)))))) ∈ ((Base‘𝑅) ↑m 𝐷) ↔ (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥)))))):𝐷⟶(Base‘𝑅)) |
| 16 | 11, 15 | sylibr 236 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥)))))) ∈ ((Base‘𝑅) ↑m 𝐷)) |
| 17 | eqid 2741 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 18 | psrmulcl.t | . . 3 ⊢ · = (.r‘𝑆) | |
| 19 | 3, 5, 17, 18, 1, 6, 8 | psrmulfval 21921 | . 2 ⊢ (𝜑 → (𝑋 · 𝑌) = (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥))))))) |
| 20 | reldmpsr 21892 | . . . . . 6 ⊢ Rel dom mPwSer | |
| 21 | 20, 3, 5 | elbasov 17181 | . . . . 5 ⊢ (𝑋 ∈ 𝐵 → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 22 | 6, 21 | syl 17 | . . . 4 ⊢ (𝜑 → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 23 | 22 | simpld 496 | . . 3 ⊢ (𝜑 → 𝐼 ∈ V) |
| 24 | 3, 4, 1, 5, 23 | psrbas 21912 | . 2 ⊢ (𝜑 → 𝐵 = ((Base‘𝑅) ↑m 𝐷)) |
| 25 | 16, 19, 24 | 3eltr4d 2856 | 1 ⊢ (𝜑 → (𝑋 · 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 397 = wceq 1548 ∈ wcel 2121 {crab 3393 Vcvv 3433 class class class wbr 5074 ↦ cmpt 5155 ◡ccnv 5619 “ cima 5623 ⟶wf 6484 ‘cfv 6488 (class class class)co 7359 ∘f cof 7621 ∘r cofr 7622 ↑m cmap 8767 Fincfn 8887 ≤ cle 11176 − cmin 11373 ℕcn 12169 ℕ0cn0 12432 Basecbs 17174 .rcmulr 17216 Σg cgsu 17398 Ringcrg 20208 mPwSer cmps 21882 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7681 ax-cnex 11090 ax-resscn 11091 ax-1cn 11092 ax-icn 11093 ax-addcl 11094 ax-addrcl 11095 ax-mulcl 11096 ax-mulrcl 11097 ax-mulcom 11098 ax-addass 11099 ax-mulass 11100 ax-distr 11101 ax-i2m1 11102 ax-1ne0 11103 ax-1rid 11104 ax-rnegex 11105 ax-rrecex 11106 ax-cnre 11107 ax-pre-lttri 11108 ax-pre-lttrn 11109 ax-pre-ltadd 11110 ax-pre-mulgt0 11111 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3725 df-csb 3833 df-dif 3887 df-un 3889 df-in 3891 df-ss 3901 df-pss 3904 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4841 df-int 4880 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-se 5574 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6255 df-ord 6316 df-on 6317 df-lim 6318 df-suc 6319 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-isom 6497 df-riota 7316 df-ov 7362 df-oprab 7363 df-mpo 7364 df-of 7623 df-ofr 7624 df-om 7810 df-1st 7933 df-2nd 7934 df-supp 8103 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8343 df-1o 8399 df-er 8637 df-map 8769 df-pm 8770 df-ixp 8840 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-fsupp 9269 df-oi 9419 df-card 9858 df-pnf 11177 df-mnf 11178 df-xr 11179 df-ltxr 11180 df-le 11181 df-sub 11375 df-neg 11376 df-nn 12170 df-2 12239 df-3 12240 df-4 12241 df-5 12242 df-6 12243 df-7 12244 df-8 12245 df-9 12246 df-n0 12433 df-z 12520 df-uz 12784 df-fz 13457 df-fzo 13604 df-seq 13959 df-hash 14288 df-struct 17112 df-sets 17129 df-slot 17147 df-ndx 17159 df-base 17175 df-plusg 17228 df-mulr 17229 df-sca 17231 df-vsca 17232 df-tset 17234 df-0g 17399 df-gsum 17400 df-mgm 18603 df-sgrp 18682 df-mnd 18698 df-grp 18907 df-minusg 18908 df-cntz 19286 df-cmn 19751 df-abl 19752 df-mgp 20116 df-ur 20157 df-ring 20210 df-psr 21887 |
| This theorem is referenced by: psrmulcl 21924 |
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