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Mirrors > Home > MPE Home > Th. List > grpvlinv | Structured version Visualization version GIF version |
Description: Tuple-wise left inverse in groups. (Contributed by Stefan O'Rear, 5-Sep-2015.) |
Ref | Expression |
---|---|
grpvlinv.b | ⊢ 𝐵 = (Base‘𝐺) |
grpvlinv.p | ⊢ + = (+g‘𝐺) |
grpvlinv.n | ⊢ 𝑁 = (invg‘𝐺) |
grpvlinv.z | ⊢ 0 = (0g‘𝐺) |
Ref | Expression |
---|---|
grpvlinv | ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → ((𝑁 ∘ 𝑋) ∘f + 𝑋) = (𝐼 × { 0 })) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elmapex 8443 | . . . 4 ⊢ (𝑋 ∈ (𝐵 ↑m 𝐼) → (𝐵 ∈ V ∧ 𝐼 ∈ V)) | |
2 | 1 | simprd 499 | . . 3 ⊢ (𝑋 ∈ (𝐵 ↑m 𝐼) → 𝐼 ∈ V) |
3 | 2 | adantl 485 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 𝐼 ∈ V) |
4 | elmapi 8444 | . . 3 ⊢ (𝑋 ∈ (𝐵 ↑m 𝐼) → 𝑋:𝐼⟶𝐵) | |
5 | 4 | adantl 485 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 𝑋:𝐼⟶𝐵) |
6 | grpvlinv.b | . . . 4 ⊢ 𝐵 = (Base‘𝐺) | |
7 | grpvlinv.z | . . . 4 ⊢ 0 = (0g‘𝐺) | |
8 | 6, 7 | grpidcl 18212 | . . 3 ⊢ (𝐺 ∈ Grp → 0 ∈ 𝐵) |
9 | 8 | adantr 484 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 0 ∈ 𝐵) |
10 | grpvlinv.n | . . . 4 ⊢ 𝑁 = (invg‘𝐺) | |
11 | 6, 10 | grpinvf 18231 | . . 3 ⊢ (𝐺 ∈ Grp → 𝑁:𝐵⟶𝐵) |
12 | 11 | adantr 484 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → 𝑁:𝐵⟶𝐵) |
13 | fcompt 6892 | . . 3 ⊢ ((𝑁:𝐵⟶𝐵 ∧ 𝑋:𝐼⟶𝐵) → (𝑁 ∘ 𝑋) = (𝑥 ∈ 𝐼 ↦ (𝑁‘(𝑋‘𝑥)))) | |
14 | 11, 4, 13 | syl2an 598 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → (𝑁 ∘ 𝑋) = (𝑥 ∈ 𝐼 ↦ (𝑁‘(𝑋‘𝑥)))) |
15 | grpvlinv.p | . . . 4 ⊢ + = (+g‘𝐺) | |
16 | 6, 15, 7, 10 | grplinv 18233 | . . 3 ⊢ ((𝐺 ∈ Grp ∧ 𝑦 ∈ 𝐵) → ((𝑁‘𝑦) + 𝑦) = 0 ) |
17 | 16 | adantlr 714 | . 2 ⊢ (((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) ∧ 𝑦 ∈ 𝐵) → ((𝑁‘𝑦) + 𝑦) = 0 ) |
18 | 3, 5, 9, 12, 14, 17 | caofinvl 7440 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝑋 ∈ (𝐵 ↑m 𝐼)) → ((𝑁 ∘ 𝑋) ∘f + 𝑋) = (𝐼 × { 0 })) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 Vcvv 3409 {csn 4525 ↦ cmpt 5116 × cxp 5526 ∘ ccom 5532 ⟶wf 6336 ‘cfv 6340 (class class class)co 7156 ∘f cof 7409 ↑m cmap 8422 Basecbs 16555 +gcplusg 16637 0gc0g 16785 Grpcgrp 18183 invgcminusg 18184 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-rep 5160 ax-sep 5173 ax-nul 5180 ax-pow 5238 ax-pr 5302 ax-un 7465 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-ral 3075 df-rex 3076 df-reu 3077 df-rmo 3078 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4802 df-iun 4888 df-br 5037 df-opab 5099 df-mpt 5117 df-id 5434 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-rn 5539 df-res 5540 df-ima 5541 df-iota 6299 df-fun 6342 df-fn 6343 df-f 6344 df-f1 6345 df-fo 6346 df-f1o 6347 df-fv 6348 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-of 7411 df-1st 7699 df-2nd 7700 df-map 8424 df-0g 16787 df-mgm 17932 df-sgrp 17981 df-mnd 17992 df-grp 18186 df-minusg 18187 |
This theorem is referenced by: mendring 40554 |
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