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| Mirrors > Home > MPE Home > Th. List > lmodfgrp | Structured version Visualization version GIF version | ||
| Description: The scalar component of a left module is an additive group. (Contributed by NM, 8-Dec-2013.) (Revised by Mario Carneiro, 19-Jun-2014.) |
| Ref | Expression |
|---|---|
| lmodring.1 | ⊢ 𝐹 = (Scalar‘𝑊) |
| Ref | Expression |
|---|---|
| lmodfgrp | ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Grp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lmodring.1 | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 2 | 1 | lmodring 20819 | . 2 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| 3 | ringgrp 20173 | . 2 ⊢ (𝐹 ∈ Ring → 𝐹 ∈ Grp) | |
| 4 | 2, 3 | syl 17 | 1 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Grp) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ‘cfv 6492 Scalarcsca 17180 Grpcgrp 18863 Ringcrg 20168 LModclmod 20811 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-nul 5251 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rab 3400 df-v 3442 df-sbc 3741 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-ring 20170 df-lmod 20813 |
| This theorem is referenced by: lmodacl 20823 lmodsn0 20825 lmodvneg1 20856 lssvsubcl 20895 lspsnneg 20957 lvecvscan2 21067 lspexch 21084 lspsolvlem 21097 ipsubdir 21597 ipsubdi 21598 ip2eq 21608 ocvlss 21627 lsmcss 21647 islindf4 21793 ascl0 21840 clmfgrp 25027 lmodvslmhm 33133 lflmul 39324 lkrlss 39351 eqlkr 39355 lkrlsp 39358 lshpkrlem1 39366 ldualvsubval 39413 lcfrlem1 41798 lcdvsubval 41874 lmodvsmdi 48621 lincsum 48671 lincsumcl 48673 lincext1 48696 lindslinindsimp1 48699 lindslinindimp2lem1 48700 lindslinindsimp2lem5 48704 ldepsprlem 48714 ldepspr 48715 lincresunit3lem3 48716 lincresunit3lem1 48721 lincresunit3lem2 48722 lincresunit3 48723 |
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