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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 20854 | . 2 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| 3 | ringgrp 20210 | . 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 1542 ∈ wcel 2114 ‘cfv 6492 Scalarcsca 17214 Grpcgrp 18900 Ringcrg 20205 LModclmod 20846 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-nul 5241 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6448 df-fv 6500 df-ov 7363 df-ring 20207 df-lmod 20848 |
| This theorem is referenced by: lmodacl 20858 lmodsn0 20860 lmodvneg1 20891 lssvsubcl 20930 lspsnneg 20992 lvecvscan2 21102 lspexch 21119 lspsolvlem 21132 ipsubdir 21632 ipsubdi 21633 ip2eq 21643 ocvlss 21662 lsmcss 21682 islindf4 21828 ascl0 21874 clmfgrp 25048 lmodvslmhm 33126 lflmul 39528 lkrlss 39555 eqlkr 39559 lkrlsp 39562 lshpkrlem1 39570 ldualvsubval 39617 lcfrlem1 42002 lcdvsubval 42078 lmodvsmdi 48867 lincsum 48917 lincsumcl 48919 lincext1 48942 lindslinindsimp1 48945 lindslinindimp2lem1 48946 lindslinindsimp2lem5 48950 ldepsprlem 48960 ldepspr 48961 lincresunit3lem3 48962 lincresunit3lem1 48967 lincresunit3lem2 48968 lincresunit3 48969 |
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