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| Mirrors > Home > MPE Home > Th. List > gsumvsmul | Structured version Visualization version GIF version | ||
| Description: Pull a scalar multiplication out of a sum of vectors. This theorem properly generalizes gsummulc2 20493, since every ring is a left module over itself. (Contributed by Stefan O'Rear, 6-Feb-2015.) (Revised by Mario Carneiro, 5-May-2015.) (Revised by AV, 10-Jul-2019.) |
| Ref | Expression |
|---|---|
| gsumvsmul.b | ⊢ 𝐵 = (Base‘𝑅) |
| gsumvsmul.s | ⊢ 𝑆 = (Scalar‘𝑅) |
| gsumvsmul.k | ⊢ 𝐾 = (Base‘𝑆) |
| gsumvsmul.z | ⊢ 0 = (0g‘𝑅) |
| gsumvsmul.p | ⊢ + = (+g‘𝑅) |
| gsumvsmul.t | ⊢ · = ( ·𝑠 ‘𝑅) |
| gsumvsmul.r | ⊢ (𝜑 → 𝑅 ∈ LMod) |
| gsumvsmul.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| gsumvsmul.x | ⊢ (𝜑 → 𝑋 ∈ 𝐾) |
| gsumvsmul.y | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑌 ∈ 𝐵) |
| gsumvsmul.n | ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝑌) finSupp 0 ) |
| Ref | Expression |
|---|---|
| gsumvsmul | ⊢ (𝜑 → (𝑅 Σg (𝑘 ∈ 𝐴 ↦ (𝑋 · 𝑌))) = (𝑋 · (𝑅 Σg (𝑘 ∈ 𝐴 ↦ 𝑌)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsumvsmul.b | . 2 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | gsumvsmul.z | . 2 ⊢ 0 = (0g‘𝑅) | |
| 3 | gsumvsmul.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ LMod) | |
| 4 | lmodcmn 21132 | . . 3 ⊢ (𝑅 ∈ LMod → 𝑅 ∈ CMnd) | |
| 5 | 3, 4 | syl 18 | . 2 ⊢ (𝜑 → 𝑅 ∈ CMnd) |
| 6 | cmnmnd 19958 | . . 3 ⊢ (𝑅 ∈ CMnd → 𝑅 ∈ Mnd) | |
| 7 | 5, 6 | syl 18 | . 2 ⊢ (𝜑 → 𝑅 ∈ Mnd) |
| 8 | gsumvsmul.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 9 | gsumvsmul.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐾) | |
| 10 | gsumvsmul.s | . . . . 5 ⊢ 𝑆 = (Scalar‘𝑅) | |
| 11 | gsumvsmul.t | . . . . 5 ⊢ · = ( ·𝑠 ‘𝑅) | |
| 12 | gsumvsmul.k | . . . . 5 ⊢ 𝐾 = (Base‘𝑆) | |
| 13 | 1, 10, 11, 12 | lmodvsghm 21145 | . . . 4 ⊢ ((𝑅 ∈ LMod ∧ 𝑋 ∈ 𝐾) → (𝑦 ∈ 𝐵 ↦ (𝑋 · 𝑦)) ∈ (𝑅 GrpHom 𝑅)) |
| 14 | 3, 9, 13 | syl2anc 596 | . . 3 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↦ (𝑋 · 𝑦)) ∈ (𝑅 GrpHom 𝑅)) |
| 15 | ghmmhm 19387 | . . 3 ⊢ ((𝑦 ∈ 𝐵 ↦ (𝑋 · 𝑦)) ∈ (𝑅 GrpHom 𝑅) → (𝑦 ∈ 𝐵 ↦ (𝑋 · 𝑦)) ∈ (𝑅 MndHom 𝑅)) | |
| 16 | 14, 15 | syl 18 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↦ (𝑋 · 𝑦)) ∈ (𝑅 MndHom 𝑅)) |
| 17 | gsumvsmul.y | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑌 ∈ 𝐵) | |
| 18 | gsumvsmul.n | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝑌) finSupp 0 ) | |
| 19 | oveq2 7417 | . 2 ⊢ (𝑦 = 𝑌 → (𝑋 · 𝑦) = (𝑋 · 𝑌)) | |
| 20 | oveq2 7417 | . 2 ⊢ (𝑦 = (𝑅 Σg (𝑘 ∈ 𝐴 ↦ 𝑌)) → (𝑋 · 𝑦) = (𝑋 · (𝑅 Σg (𝑘 ∈ 𝐴 ↦ 𝑌)))) | |
| 21 | 1, 2, 5, 7, 8, 16, 17, 18, 19, 20 | gsummhm2 20100 | 1 ⊢ (𝜑 → (𝑅 Σg (𝑘 ∈ 𝐴 ↦ (𝑋 · 𝑌))) = (𝑋 · (𝑅 Σg (𝑘 ∈ 𝐴 ↦ 𝑌)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 class class class wbr 5103 ↦ cmpt 5186 ‘cfv 6528 (class class class)co 7409 finSupp cfsupp 9331 Basecbs 17334 +gcplusg 17375 Scalarcsca 17378 ·𝑠 cvsca 17379 0gc0g 17557 Σg cgsu 17558 Mndcmnd 18870 MndHom cmhm 18923 GrpHom cghm 19374 CMndccmn 19941 LModclmod 21082 |
| 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 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 ax-cnex 11213 ax-resscn 11214 ax-1cn 11215 ax-icn 11216 ax-addcl 11217 ax-addrcl 11218 ax-mulcl 11219 ax-mulrcl 11220 ax-mulcom 11221 ax-addass 11222 ax-mulass 11223 ax-distr 11224 ax-i2m1 11225 ax-1ne0 11226 ax-1rid 11227 ax-rnegex 11228 ax-rrecex 11229 ax-cnre 11230 ax-pre-lttri 11231 ax-pre-lttrn 11232 ax-pre-ltadd 11233 ax-pre-mulgt0 11234 |
| 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-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 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-se 5602 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6294 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-isom 6537 df-riota 7366 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7862 df-1st 7985 df-2nd 7986 df-supp 8157 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8455 df-er 8696 df-map 8828 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fsupp 9332 df-oi 9482 df-card 9977 df-pnf 11302 df-mnf 11303 df-xr 11304 df-ltxr 11305 df-le 11306 df-sub 11500 df-neg 11501 df-nn 12291 df-2 12360 df-n0 12562 df-z 12649 df-uz 12921 df-fz 13595 df-fzo 13743 df-seq 14099 df-hash 14428 df-sets 17289 df-slot 17307 df-ndx 17319 df-base 17335 df-plusg 17388 df-0g 17559 df-gsum 17560 df-mgm 18763 df-sgrp 18855 df-mnd 18871 df-mhm 18925 df-grp 19094 df-minusg 19095 df-ghm 19375 df-cntz 19478 df-cmn 19943 df-abl 19944 df-mgp 20308 df-ur 20355 df-ring 20408 df-lmod 21084 |
| This theorem is used by: frlmup1 22051 lincscm 49458 lincresunit3lem2 49508 |
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