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Mirrors > Home > MPE Home > Th. List > dprdub | Structured version Visualization version GIF version |
Description: Each factor is a subset of the internal direct product. (Contributed by Mario Carneiro, 25-Apr-2016.) |
Ref | Expression |
---|---|
dprdub.1 | ⊢ (𝜑 → 𝐺dom DProd 𝑆) |
dprdub.2 | ⊢ (𝜑 → dom 𝑆 = 𝐼) |
dprdub.3 | ⊢ (𝜑 → 𝑋 ∈ 𝐼) |
Ref | Expression |
---|---|
dprdub | ⊢ (𝜑 → (𝑆‘𝑋) ⊆ (𝐺 DProd 𝑆)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2736 | . . . . . 6 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
2 | eqid 2736 | . . . . . 6 ⊢ {ℎ ∈ X𝑖 ∈ 𝐼 (𝑆‘𝑖) ∣ ℎ finSupp (0g‘𝐺)} = {ℎ ∈ X𝑖 ∈ 𝐼 (𝑆‘𝑖) ∣ ℎ finSupp (0g‘𝐺)} | |
3 | dprdub.1 | . . . . . . 7 ⊢ (𝜑 → 𝐺dom DProd 𝑆) | |
4 | 3 | adantr 484 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → 𝐺dom DProd 𝑆) |
5 | dprdub.2 | . . . . . . 7 ⊢ (𝜑 → dom 𝑆 = 𝐼) | |
6 | 5 | adantr 484 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → dom 𝑆 = 𝐼) |
7 | dprdub.3 | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ 𝐼) | |
8 | 7 | adantr 484 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → 𝑋 ∈ 𝐼) |
9 | simpr 488 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → 𝑥 ∈ (𝑆‘𝑋)) | |
10 | eqid 2736 | . . . . . 6 ⊢ (𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺))) = (𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺))) | |
11 | 1, 2, 4, 6, 8, 9, 10 | dprdfid 19358 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → ((𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺))) ∈ {ℎ ∈ X𝑖 ∈ 𝐼 (𝑆‘𝑖) ∣ ℎ finSupp (0g‘𝐺)} ∧ (𝐺 Σg (𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺)))) = 𝑥)) |
12 | 11 | simprd 499 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → (𝐺 Σg (𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺)))) = 𝑥) |
13 | 11 | simpld 498 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → (𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺))) ∈ {ℎ ∈ X𝑖 ∈ 𝐼 (𝑆‘𝑖) ∣ ℎ finSupp (0g‘𝐺)}) |
14 | 1, 2, 4, 6, 13 | eldprdi 19359 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → (𝐺 Σg (𝑛 ∈ 𝐼 ↦ if(𝑛 = 𝑋, 𝑥, (0g‘𝐺)))) ∈ (𝐺 DProd 𝑆)) |
15 | 12, 14 | eqeltrrd 2832 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝑆‘𝑋)) → 𝑥 ∈ (𝐺 DProd 𝑆)) |
16 | 15 | ex 416 | . 2 ⊢ (𝜑 → (𝑥 ∈ (𝑆‘𝑋) → 𝑥 ∈ (𝐺 DProd 𝑆))) |
17 | 16 | ssrdv 3893 | 1 ⊢ (𝜑 → (𝑆‘𝑋) ⊆ (𝐺 DProd 𝑆)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2112 {crab 3055 ⊆ wss 3853 ifcif 4425 class class class wbr 5039 ↦ cmpt 5120 dom cdm 5536 ‘cfv 6358 (class class class)co 7191 Xcixp 8556 finSupp cfsupp 8963 0gc0g 16898 Σg cgsu 16899 DProd cdprd 19334 |
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 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-int 4846 df-iun 4892 df-iin 4893 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-se 5495 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-isom 6367 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-1st 7739 df-2nd 7740 df-supp 7882 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-1o 8180 df-er 8369 df-ixp 8557 df-en 8605 df-dom 8606 df-sdom 8607 df-fin 8608 df-fsupp 8964 df-oi 9104 df-card 9520 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-nn 11796 df-2 11858 df-n0 12056 df-z 12142 df-uz 12404 df-fz 13061 df-fzo 13204 df-seq 13540 df-hash 13862 df-ndx 16669 df-slot 16670 df-base 16672 df-sets 16673 df-ress 16674 df-plusg 16762 df-0g 16900 df-gsum 16901 df-mre 17043 df-mrc 17044 df-acs 17046 df-mgm 18068 df-sgrp 18117 df-mnd 18128 df-submnd 18173 df-grp 18322 df-mulg 18443 df-subg 18494 df-cntz 18665 df-cmn 19126 df-dprd 19336 |
This theorem is referenced by: dprdspan 19368 dprd2dlem2 19381 dprd2da 19383 dmdprdsplit2lem 19386 dprdsplit 19389 dpjrid 19403 ablfac1c 19412 |
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