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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 23 | . 2 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Abel) | |
| 2 | eqid 2760 | . . 3 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 3 | 2 | subgss 19251 | . 2 ⊢ (𝑇 ∈ (SubGrp‘𝐺) → 𝑇 ⊆ (Base‘𝐺)) |
| 4 | 2 | subgss 19251 | . 2 ⊢ (𝑈 ∈ (SubGrp‘𝐺) → 𝑈 ⊆ (Base‘𝐺)) |
| 5 | lsmcom.s | . . 3 ⊢ ⊕ = (LSSum‘𝐺) | |
| 6 | 2, 5 | lsmcomx 19984 | . 2 ⊢ ((𝐺 ∈ Abel ∧ 𝑇 ⊆ (Base‘𝐺) ∧ 𝑈 ⊆ (Base‘𝐺)) → (𝑇 ⊕ 𝑈) = (𝑈 ⊕ 𝑇)) |
| 7 | 1, 3, 4, 6 | syl3an 1178 | 1 ⊢ ((𝐺 ∈ Abel ∧ 𝑇 ∈ (SubGrp‘𝐺) ∧ 𝑈 ∈ (SubGrp‘𝐺)) → (𝑇 ⊕ 𝑈) = (𝑈 ⊕ 𝑇)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ⊆ wss 3899 ‘cfv 6533 (class class class)co 7414 Basecbs 17302 SubGrpcsubg 19244 LSSumclsm 19762 Abelcabl 19909 |
| 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 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7417 df-oprab 7418 df-mpo 7419 df-1st 7987 df-2nd 7988 df-subg 19247 df-lsm 19764 df-cmn 19910 df-abl 19911 |
| This theorem is used by: lsm4 19988 pgpfac1lem4 20208 pgpfaclem1 20211 lspprabs 21280 ocvpj 21931 idlsrgcmnd 33926 lcvexchlem3 39910 lcvexchlem4 39911 lcvexchlem5 39912 lsatcvatlem 39923 lsatcvat 39924 lsatcvat3 39926 l1cvat 39929 dia2dimlem5 41942 dihjatc3 42187 dihmeetlem9N 42189 dihjat 42297 lclkrlem2b 42382 |
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