| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 20170 | . . 3 ⊢ (𝜑 → 𝐺dom DProd 𝑆) |
| 8 | 6 | dprdspan 20155 | . . 3 ⊢ (𝐺dom DProd 𝑆 → (𝐺 DProd 𝑆) = (𝐾‘∪ ran 𝑆)) |
| 9 | 7, 8 | syl 18 | . 2 ⊢ (𝜑 → (𝐺 DProd 𝑆) = (𝐾‘∪ ran 𝑆)) |
| 10 | relssres 6019 | . . . . . . 7 ⊢ ((Rel 𝐴 ∧ dom 𝐴 ⊆ 𝐼) → (𝐴 ↾ 𝐼) = 𝐴) | |
| 11 | 1, 3, 10 | syl2anc 596 | . . . . . 6 ⊢ (𝜑 → (𝐴 ↾ 𝐼) = 𝐴) |
| 12 | 11 | imaeq2d 6060 | . . . . 5 ⊢ (𝜑 → (𝑆 “ (𝐴 ↾ 𝐼)) = (𝑆 “ 𝐴)) |
| 13 | ffn 6706 | . . . . . 6 ⊢ (𝑆:𝐴⟶(SubGrp‘𝐺) → 𝑆 Fn 𝐴) | |
| 14 | fnima 6666 | . . . . . 6 ⊢ (𝑆 Fn 𝐴 → (𝑆 “ 𝐴) = ran 𝑆) | |
| 15 | 2, 13, 14 | 3syl 19 | . . . . 5 ⊢ (𝜑 → (𝑆 “ 𝐴) = ran 𝑆) |
| 16 | 12, 15 | eqtr2d 2798 | . . . 4 ⊢ (𝜑 → ran 𝑆 = (𝑆 “ (𝐴 ↾ 𝐼))) |
| 17 | 16 | unieqd 4883 | . . 3 ⊢ (𝜑 → ∪ ran 𝑆 = ∪ (𝑆 “ (𝐴 ↾ 𝐼))) |
| 18 | 17 | fveq2d 6886 | . 2 ⊢ (𝜑 → (𝐾‘∪ ran 𝑆) = (𝐾‘∪ (𝑆 “ (𝐴 ↾ 𝐼)))) |
| 19 | ssidd 3957 | . . 3 ⊢ (𝜑 → 𝐼 ⊆ 𝐼) | |
| 20 | 1, 2, 3, 4, 5, 6, 19 | dprd2dlem1 20169 | . 2 ⊢ (𝜑 → (𝐾‘∪ (𝑆 “ (𝐴 ↾ 𝐼))) = (𝐺 DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗)))))) |
| 21 | 9, 18, 20 | 3eqtrd 2801 | 1 ⊢ (𝜑 → (𝐺 DProd 𝑆) = (𝐺 DProd (𝑖 ∈ 𝐼 ↦ (𝐺 DProd (𝑗 ∈ (𝐴 “ {𝑖}) ↦ (𝑖𝑆𝑗)))))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ⊆ wss 3902 {csn 4587 ∪ cuni 4870 class class class wbr 5107 ↦ cmpt 5190 dom cdm 5659 ran crn 5660 ↾ cres 5661 “ cima 5662 Rel wrel 5664 Fn wfn 6532 ⟶wf 6533 ‘cfv 6537 (class class class)co 7416 mrClscmrc 17669 SubGrpcsubg 19242 DProd cdprd 20121 |
| 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 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 |
| 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-iin 4957 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-of 7681 df-om 7866 df-1st 7989 df-2nd 7990 df-supp 8162 df-tpos 8227 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8458 df-2o 8459 df-er 8699 df-map 8831 df-ixp 8908 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-fsupp 9335 df-oi 9485 df-card 9947 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-nn 12259 df-2 12328 df-n0 12530 df-z 12617 df-uz 12889 df-fz 13562 df-fzo 13710 df-seq 14066 df-hash 14395 df-sets 17258 df-slot 17276 df-ndx 17288 df-base 17304 df-ress 17325 df-plusg 17357 df-0g 17528 df-gsum 17529 df-mre 17672 df-mrc 17673 df-acs 17675 df-mgm 18732 df-sgrp 18821 df-mnd 18837 df-mhm 18890 df-submnd 18891 df-grp 19059 df-minusg 19060 df-sbg 19061 df-mulg 19190 df-subg 19245 df-ghm 19340 df-gim 19385 df-cntz 19443 df-oppg 19472 df-lsm 19762 df-cmn 19908 df-dprd 20123 |
| This theorem is used by: dprd2d2 20172 |
| Copyright terms: Public domain | W3C validator |