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| Mirrors > Home > MPE Home > Th. List > lsmcom | Structured version Visualization version GIF version | ||
| Description: Subgroup sum commutes. (Contributed by NM, 6-Feb-2014.) (Revised by Mario Carneiro, 21-Jun-2014.) |
| Ref | Expression |
|---|---|
| lsmcom.s | ⊢ ⊕ = (LSSum‘𝐺) |
| Ref | Expression |
|---|---|
| lsmcom | ⊢ ((𝐺 ∈ Abel ∧ 𝑇 ∈ (SubGrp‘𝐺) ∧ 𝑈 ∈ (SubGrp‘𝐺)) → (𝑇 ⊕ 𝑈) = (𝑈 ⊕ 𝑇)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 22 | . 2 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Abel) | |
| 2 | eqid 2762 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 3 | 2 | subgss 19169 | . 2 ⊢ (𝑇 ∈ (SubGrp‘𝐺) → 𝑇 ⊆ (Base‘𝐺)) |
| 4 | 2 | subgss 19169 | . 2 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → 𝑈 ⊆ (Base‘𝐺)) |
| 5 | lsmcom.s | . . 3 ⊢ ⊕ = (LSSum‘𝐺) | |
| 6 | 2, 5 | lsmcomx 19896 | . 2 ⊢ ((𝐺 ∈ Abel ∧ 𝑇 ⊆ (Base‘𝐺) ∧ 𝑈 ⊆ (Base‘𝐺)) → (𝑇 ⊕ 𝑈) = (𝑈 ⊕ 𝑇)) |
| 7 | 1, 3, 4, 6 | syl3an 1173 | 1 ⊢ ((𝐺 ∈ Abel ∧ 𝑇 ∈ (SubGrp‘𝐺) ∧ 𝑈 ∈ (SubGrp‘𝐺)) → (𝑇 ⊕ 𝑈) = (𝑈 ⊕ 𝑇)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1098 = wceq 1560 ∈ wcel 2142 ⊆ wss 3904 ‘cfv 6521 (class class class)co 7396 Basecbs 17245 SubGrpcsubg 19162 LSSumclsm 19674 Abelcabl 19821 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-1st 7970 df-2nd 7971 df-subg 19165 df-lsm 19676 df-cmn 19822 df-abl 19823 |
| This theorem is referenced by: lsm4 19900 pgpfac1lem4 20120 pgpfaclem1 20123 lspprabs 21162 ocvpj 21769 idlsrgcmnd 33711 lcvexchlem3 39660 lcvexchlem4 39661 lcvexchlem5 39662 lsatcvatlem 39673 lsatcvat 39674 lsatcvat3 39676 l1cvat 39679 dia2dimlem5 41692 dihjatc3 41937 dihmeetlem9N 41939 dihjat 42047 lclkrlem2b 42132 |
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