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Mirrors > Home > MPE Home > Th. List > dprd2db | Structured version Visualization version GIF version |
Description: The direct product of a collection of direct products. (Contributed by Mario Carneiro, 25-Apr-2016.) |
Ref | Expression |
---|---|
dprd2d.1 | ⊢ (𝜑 → Rel 𝐴) |
dprd2d.2 | ⊢ (𝜑 → 𝑆:𝐴⟶(SubGrp‘𝐺)) |
dprd2d.3 | ⊢ (𝜑 → dom 𝐴 ⊆ 𝐼) |
dprd2d.4 | ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐼) → 𝐺dom DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗))) |
dprd2d.5 | ⊢ (𝜑 → 𝐺dom DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗))))) |
dprd2d.k | ⊢ 𝐾 = (mrCls‘(SubGrp‘𝐺)) |
Ref | Expression |
---|---|
dprd2db | ⊢ (𝜑 → (𝐺 DProd 𝑆) = (𝐺 DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗)))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dprd2d.1 | . . . 4 ⊢ (𝜑 → Rel 𝐴) | |
2 | dprd2d.2 | . . . 4 ⊢ (𝜑 → 𝑆:𝐴⟶(SubGrp‘𝐺)) | |
3 | dprd2d.3 | . . . 4 ⊢ (𝜑 → dom 𝐴 ⊆ 𝐼) | |
4 | dprd2d.4 | . . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ 𝐼) → 𝐺dom DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗))) | |
5 | dprd2d.5 | . . . 4 ⊢ (𝜑 → 𝐺dom DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗))))) | |
6 | dprd2d.k | . . . 4 ⊢ 𝐾 = (mrCls‘(SubGrp‘𝐺)) | |
7 | 1, 2, 3, 4, 5, 6 | dprd2da 19147 | . . 3 ⊢ (𝜑 → 𝐺dom DProd 𝑆) |
8 | 6 | dprdspan 19132 | . . 3 ⊢ (𝐺dom DProd 𝑆 → (𝐺 DProd 𝑆) = (𝐾‘∪ ran 𝑆)) |
9 | 7, 8 | syl 17 | . 2 ⊢ (𝜑 → (𝐺 DProd 𝑆) = (𝐾‘∪ ran 𝑆)) |
10 | relssres 5879 | . . . . . . 7 ⊢ ((Rel 𝐴 ∧ dom 𝐴 ⊆ 𝐼) → (𝐴 ↾ 𝐼) = 𝐴) | |
11 | 1, 3, 10 | syl2anc 586 | . . . . . 6 ⊢ (𝜑 → (𝐴 ↾ 𝐼) = 𝐴) |
12 | 11 | imaeq2d 5915 | . . . . 5 ⊢ (𝜑 → (𝑆 “ (𝐴 ↾ 𝐼)) = (𝑆 “ 𝐴)) |
13 | ffn 6500 | . . . . . 6 ⊢ (𝑆:𝐴⟶(SubGrp‘𝐺) → 𝑆 Fn 𝐴) | |
14 | fnima 6464 | . . . . . 6 ⊢ (𝑆 Fn 𝐴 → (𝑆 “ 𝐴) = ran 𝑆) | |
15 | 2, 13, 14 | 3syl 18 | . . . . 5 ⊢ (𝜑 → (𝑆 “ 𝐴) = ran 𝑆) |
16 | 12, 15 | eqtr2d 2857 | . . . 4 ⊢ (𝜑 → ran 𝑆 = (𝑆 “ (𝐴 ↾ 𝐼))) |
17 | 16 | unieqd 4838 | . . 3 ⊢ (𝜑 → ∪ ran 𝑆 = ∪ (𝑆 “ (𝐴 ↾ 𝐼))) |
18 | 17 | fveq2d 6660 | . 2 ⊢ (𝜑 → (𝐾‘∪ ran 𝑆) = (𝐾‘∪ (𝑆 “ (𝐴 ↾ 𝐼)))) |
19 | ssidd 3978 | . . 3 ⊢ (𝜑 → 𝐼 ⊆ 𝐼) | |
20 | 1, 2, 3, 4, 5, 6, 19 | dprd2dlem1 19146 | . 2 ⊢ (𝜑 → (𝐾‘∪ (𝑆 “ (𝐴 ↾ 𝐼))) = (𝐺 DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗)))))) |
21 | 9, 18, 20 | 3eqtrd 2860 | 1 ⊢ (𝜑 → (𝐺 DProd 𝑆) = (𝐺 DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗)))))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ⊆ wss 3924 {csn 4553 ∪ cuni 4824 class class class wbr 5052 ↦ cmpt 5132 dom cdm 5541 ran crn 5542 ↾ cres 5543 “ cima 5544 Rel wrel 5546 Fn wfn 6336 ⟶wf 6337 ‘cfv 6341 (class class class)co 7142 mrClscmrc 16837 SubGrpcsubg 18256 DProd cdprd 19098 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5176 ax-sep 5189 ax-nul 5196 ax-pow 5252 ax-pr 5316 ax-un 7447 ax-cnex 10579 ax-resscn 10580 ax-1cn 10581 ax-icn 10582 ax-addcl 10583 ax-addrcl 10584 ax-mulcl 10585 ax-mulrcl 10586 ax-mulcom 10587 ax-addass 10588 ax-mulass 10589 ax-distr 10590 ax-i2m1 10591 ax-1ne0 10592 ax-1rid 10593 ax-rnegex 10594 ax-rrecex 10595 ax-cnre 10596 ax-pre-lttri 10597 ax-pre-lttrn 10598 ax-pre-ltadd 10599 ax-pre-mulgt0 10600 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3488 df-sbc 3764 df-csb 3872 df-dif 3927 df-un 3929 df-in 3931 df-ss 3940 df-pss 3942 df-nul 4280 df-if 4454 df-pw 4527 df-sn 4554 df-pr 4556 df-tp 4558 df-op 4560 df-uni 4825 df-int 4863 df-iun 4907 df-iin 4908 df-br 5053 df-opab 5115 df-mpt 5133 df-tr 5159 df-id 5446 df-eprel 5451 df-po 5460 df-so 5461 df-fr 5500 df-se 5501 df-we 5502 df-xp 5547 df-rel 5548 df-cnv 5549 df-co 5550 df-dm 5551 df-rn 5552 df-res 5553 df-ima 5554 df-pred 6134 df-ord 6180 df-on 6181 df-lim 6182 df-suc 6183 df-iota 6300 df-fun 6343 df-fn 6344 df-f 6345 df-f1 6346 df-fo 6347 df-f1o 6348 df-fv 6349 df-isom 6350 df-riota 7100 df-ov 7145 df-oprab 7146 df-mpo 7147 df-of 7395 df-om 7567 df-1st 7675 df-2nd 7676 df-supp 7817 df-tpos 7878 df-wrecs 7933 df-recs 7994 df-rdg 8032 df-1o 8088 df-oadd 8092 df-er 8275 df-map 8394 df-ixp 8448 df-en 8496 df-dom 8497 df-sdom 8498 df-fin 8499 df-fsupp 8820 df-oi 8960 df-card 9354 df-pnf 10663 df-mnf 10664 df-xr 10665 df-ltxr 10666 df-le 10667 df-sub 10858 df-neg 10859 df-nn 11625 df-2 11687 df-n0 11885 df-z 11969 df-uz 12231 df-fz 12883 df-fzo 13024 df-seq 13360 df-hash 13681 df-ndx 16469 df-slot 16470 df-base 16472 df-sets 16473 df-ress 16474 df-plusg 16561 df-0g 16698 df-gsum 16699 df-mre 16840 df-mrc 16841 df-acs 16843 df-mgm 17835 df-sgrp 17884 df-mnd 17895 df-mhm 17939 df-submnd 17940 df-grp 18089 df-minusg 18090 df-sbg 18091 df-mulg 18208 df-subg 18259 df-ghm 18339 df-gim 18382 df-cntz 18430 df-oppg 18457 df-lsm 18744 df-cmn 18891 df-dprd 19100 |
This theorem is referenced by: dprd2d2 19149 |
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