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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 20458, 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 21095 | . . 3 ⊢ (𝑅 ∈ LMod → 𝑅 ∈ CMnd) | |
| 5 | 3, 4 | syl 18 | . 2 ⊢ (𝜑 → 𝑅 ∈ CMnd) |
| 6 | cmnmnd 19925 | . . 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 21108 | . . . 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 19354 | . . 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 7424 | . 2 ⊢ (𝑦 = 𝑌 → (𝑋 · 𝑦) = (𝑋 · 𝑌)) | |
| 20 | oveq2 7424 | . 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 20067 | 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 5107 ↦ cmpt 5190 ‘cfv 6537 (class class class)co 7416 finSupp cfsupp 9334 Basecbs 17305 +gcplusg 17346 Scalarcsca 17349 ·𝑠 cvsca 17350 0gc0g 17528 Σg cgsu 17529 Mndcmnd 18838 MndHom cmhm 18890 GrpHom cghm 19341 CMndccmn 19908 LModclmod 21045 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-se 5613 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-1st 7989 df-2nd 7990 df-supp 8162 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8458 df-er 8699 df-map 8831 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-fsupp 9335 df-oi 9485 df-card 9947 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-n0 12532 df-z 12619 df-uz 12891 df-fz 13564 df-fzo 13712 df-seq 14068 df-hash 14397 df-sets 17260 df-slot 17278 df-ndx 17290 df-base 17306 df-plusg 17359 df-0g 17530 df-gsum 17531 df-mgm 18734 df-sgrp 18823 df-mnd 18839 df-mhm 18892 df-grp 19061 df-minusg 19062 df-ghm 19342 df-cntz 19445 df-cmn 19910 df-abl 19911 df-mgp 20275 df-ur 20322 df-ring 20375 df-lmod 21047 |
| This theorem is used by: frlmup1 22012 lincscm 49347 lincresunit3lem2 49397 |
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