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| Mirrors > Home > MPE Home > Th. List > pwsgsum | Structured version Visualization version GIF version | ||
| Description: Finite commutative sums in a power structure are taken componentwise. (Contributed by Stefan O'Rear, 1-Feb-2015.) (Revised by Mario Carneiro, 3-Jul-2015.) (Revised by AV, 9-Jun-2019.) |
| Ref | Expression |
|---|---|
| pwsgsum.y | ⊢ 𝑌 = (𝑅 ↑s 𝐼) |
| pwsgsum.b | ⊢ 𝐵 = (Base‘𝑅) |
| pwsgsum.z | ⊢ 0 = (0g‘𝑌) |
| pwsgsum.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
| pwsgsum.j | ⊢ (𝜑 → 𝐽 ∈ 𝑊) |
| pwsgsum.r | ⊢ (𝜑 → 𝑅 ∈ CMnd) |
| pwsgsum.f | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐼 ∧ 𝑦 ∈ 𝐽)) → 𝑈 ∈ 𝐵) |
| pwsgsum.w | ⊢ (𝜑 → (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈)) finSupp 0 ) |
| Ref | Expression |
|---|---|
| pwsgsum | ⊢ (𝜑 → (𝑌 Σg (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈))) = (𝑥 ∈ 𝐼 ↦ (𝑅 Σg (𝑦 ∈ 𝐽 ↦ 𝑈)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pwsgsum.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ CMnd) | |
| 2 | pwsgsum.i | . . . 4 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
| 3 | pwsgsum.y | . . . . 5 ⊢ 𝑌 = (𝑅 ↑s 𝐼) | |
| 4 | eqid 2737 | . . . . 5 ⊢ (Scalar‘𝑅) = (Scalar‘𝑅) | |
| 5 | 3, 4 | pwsval 17443 | . . . 4 ⊢ ((𝑅 ∈ CMnd ∧ 𝐼 ∈ 𝑉) → 𝑌 = ((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) |
| 6 | 1, 2, 5 | syl2anc 585 | . . 3 ⊢ (𝜑 → 𝑌 = ((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) |
| 7 | 6 | oveq1d 7376 | . 2 ⊢ (𝜑 → (𝑌 Σg (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈))) = (((Scalar‘𝑅)Xs(𝐼 × {𝑅})) Σg (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈)))) |
| 8 | fconstmpt 5687 | . . . 4 ⊢ (𝐼 × {𝑅}) = (𝑥 ∈ 𝐼 ↦ 𝑅) | |
| 9 | 8 | oveq2i 7372 | . . 3 ⊢ ((Scalar‘𝑅)Xs(𝐼 × {𝑅})) = ((Scalar‘𝑅)Xs(𝑥 ∈ 𝐼 ↦ 𝑅)) |
| 10 | pwsgsum.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 11 | eqid 2737 | . . 3 ⊢ (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅}))) | |
| 12 | pwsgsum.j | . . 3 ⊢ (𝜑 → 𝐽 ∈ 𝑊) | |
| 13 | fvexd 6850 | . . 3 ⊢ (𝜑 → (Scalar‘𝑅) ∈ V) | |
| 14 | 1 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐼) → 𝑅 ∈ CMnd) |
| 15 | pwsgsum.f | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐼 ∧ 𝑦 ∈ 𝐽)) → 𝑈 ∈ 𝐵) | |
| 16 | pwsgsum.w | . . . 4 ⊢ (𝜑 → (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈)) finSupp 0 ) | |
| 17 | pwsgsum.z | . . . . 5 ⊢ 0 = (0g‘𝑌) | |
| 18 | 6 | fveq2d 6839 | . . . . 5 ⊢ (𝜑 → (0g‘𝑌) = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
| 19 | 17, 18 | eqtrid 2784 | . . . 4 ⊢ (𝜑 → 0 = (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
| 20 | 16, 19 | breqtrd 5112 | . . 3 ⊢ (𝜑 → (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈)) finSupp (0g‘((Scalar‘𝑅)Xs(𝐼 × {𝑅})))) |
| 21 | 9, 10, 11, 2, 12, 13, 14, 15, 20 | prdsgsum 19950 | . 2 ⊢ (𝜑 → (((Scalar‘𝑅)Xs(𝐼 × {𝑅})) Σg (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈))) = (𝑥 ∈ 𝐼 ↦ (𝑅 Σg (𝑦 ∈ 𝐽 ↦ 𝑈)))) |
| 22 | 7, 21 | eqtrd 2772 | 1 ⊢ (𝜑 → (𝑌 Σg (𝑦 ∈ 𝐽 ↦ (𝑥 ∈ 𝐼 ↦ 𝑈))) = (𝑥 ∈ 𝐼 ↦ (𝑅 Σg (𝑦 ∈ 𝐽 ↦ 𝑈)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 Vcvv 3430 {csn 4568 class class class wbr 5086 ↦ cmpt 5167 × cxp 5623 ‘cfv 6493 (class class class)co 7361 finSupp cfsupp 9268 Basecbs 17173 Scalarcsca 17217 0gc0g 17396 Σg cgsu 17397 Xscprds 17402 ↑s cpws 17403 CMndccmn 19749 |
| 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 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 |
| 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-rmo 3343 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-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-1st 7936 df-2nd 7937 df-supp 8105 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-er 8637 df-map 8769 df-ixp 8840 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-fsupp 9269 df-sup 9349 df-oi 9419 df-card 9857 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 df-n0 12432 df-z 12519 df-dec 12639 df-uz 12783 df-fz 13456 df-fzo 13603 df-seq 13958 df-hash 14287 df-struct 17111 df-slot 17146 df-ndx 17158 df-base 17174 df-plusg 17227 df-mulr 17228 df-sca 17230 df-vsca 17231 df-ip 17232 df-tset 17233 df-ple 17234 df-ds 17236 df-hom 17238 df-cco 17239 df-0g 17398 df-gsum 17399 df-prds 17404 df-pws 17406 df-mgm 18602 df-sgrp 18681 df-mnd 18697 df-mhm 18745 df-cntz 19286 df-cmn 19751 |
| This theorem is referenced by: frlmgsum 21765 evlsvvval 22084 evls1fpws 22347 plypf1 26190 extdgfialglem2 33856 |
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