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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 20865 | . 2 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| 3 | ringgrp 20217 | . 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 1547 ∈ wcel 2119 ‘cfv 6492 Scalarcsca 17221 Grpcgrp 18907 Ringcrg 20212 LModclmod 20857 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-nul 5235 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ne 2936 df-ral 3055 df-rab 3393 df-v 3434 df-sbc 3731 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-iota 6448 df-fv 6500 df-ov 7366 df-ring 20214 df-lmod 20859 |
| This theorem is referenced by: lmodacl 20869 lmodsn0 20871 lmodvneg1 20902 lssvsubcl 20941 lspsnneg 21003 lvecvscan2 21112 lspexch 21129 lspsolvlem 21142 ipsubdir 21624 ipsubdi 21625 ip2eq 21635 ocvlss 21654 lsmcss 21674 islindf4 21820 ascl0 21866 clmfgrp 25063 lmodvslmhm 33138 lflmul 39567 lkrlss 39594 eqlkr 39598 lkrlsp 39601 lshpkrlem1 39609 ldualvsubval 39656 lcfrlem1 42041 lcdvsubval 42117 lmodvsmdi 48877 lincsum 48927 lincsumcl 48929 lincext1 48952 lindslinindsimp1 48955 lindslinindimp2lem1 48956 lindslinindsimp2lem5 48960 ldepsprlem 48970 ldepspr 48971 lincresunit3lem3 48972 lincresunit3lem1 48977 lincresunit3lem2 48978 lincresunit3 48979 |
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