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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 2760 | . . . . . 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 22150 | . . . . 5 ⊢ (𝜑 → 𝑋:𝐷⟶(Base‘𝑅)) |
| 8 | psrmulcl.y | . . . . . 6 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 9 | 3, 4, 1, 5, 8 | psrelbas 22150 | . . . . 5 ⊢ (𝜑 → 𝑌:𝐷⟶(Base‘𝑅)) |
| 10 | 1, 2, 7, 9 | rhmpsrlem2 22156 | . . . 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 7108 | . . 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 6891 | . . . 4 ⊢ (Base‘𝑅) ∈ V | |
| 13 | ovex 7446 | . . . . 5 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
| 14 | 1, 13 | rabex2 5305 | . . . 4 ⊢ 𝐷 ∈ V |
| 15 | 12, 14 | elmap 8878 | . . 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 237 | . 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 2760 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 18 | psrmulcl.t | . . 3 ⊢ · = (.r‘𝑆) | |
| 19 | 3, 5, 17, 18, 1, 6, 8 | psrmulfval 22158 | . 2 ⊢ (𝜑 → (𝑋 · 𝑌) = (𝑘 ∈ 𝐷 ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝑘} ↦ ((𝑋‘𝑥)(.r‘𝑅)(𝑌‘(𝑘 ∘f − 𝑥))))))) |
| 20 | reldmpsr 22129 | . . . . . 6 ⊢ Rel dom mPwSer | |
| 21 | 20, 3, 5 | elbasov 17308 | . . . . 5 ⊢ (𝑋 ∈ 𝐵 → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 22 | 6, 21 | syl 18 | . . . 4 ⊢ (𝜑 → (𝐼 ∈ V ∧ 𝑅 ∈ V)) |
| 23 | 22 | simpld 500 | . . 3 ⊢ (𝜑 → 𝐼 ∈ V) |
| 24 | 3, 4, 1, 5, 23 | psrbas 22149 | . 2 ⊢ (𝜑 → 𝐵 = ((Base‘𝑅) ↑m 𝐷)) |
| 25 | 16, 19, 24 | 3eltr4d 2875 | 1 ⊢ (𝜑 → (𝑋 · 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 {crab 3412 Vcvv 3450 class class class wbr 5103 ↦ cmpt 5186 ◡ccnv 5654 “ cima 5658 ⟶wf 6529 ‘cfv 6533 (class class class)co 7413 ∘f cof 7676 ∘r cofr 7677 ↑m cmap 8826 Fincfn 8952 ≤ cle 11268 − cmin 11465 ℕcn 12257 ℕ0cn0 12528 Basecbs 17301 .rcmulr 17343 Σg cgsu 17525 Ringcrg 20372 mPwSer cmps 22119 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7678 df-ofr 7679 df-om 7863 df-1st 7986 df-2nd 7987 df-supp 8159 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-er 8696 df-map 8828 df-pm 8829 df-ixp 8905 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fsupp 9332 df-oi 9482 df-card 9944 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-nn 12258 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12529 df-z 12616 df-uz 12888 df-fz 13562 df-fzo 13710 df-seq 14066 df-hash 14395 df-struct 17239 df-sets 17256 df-slot 17274 df-ndx 17286 df-base 17302 df-plusg 17355 df-mulr 17356 df-sca 17358 df-vsca 17359 df-tset 17361 df-0g 17526 df-gsum 17527 df-mgm 18730 df-sgrp 18821 df-mnd 18837 df-grp 19060 df-minusg 19061 df-cntz 19444 df-cmn 19909 df-abl 19910 df-mgp 20274 df-ur 20321 df-ring 20374 df-psr 22124 |
| This theorem is used by: psrmulcl 22161 |
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