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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 20831 | . 2 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| 3 | ringgrp 20185 | . 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 6500 Scalarcsca 17192 Grpcgrp 18875 Ringcrg 20180 LModclmod 20823 |
| 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 5253 |
| 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 3402 df-v 3444 df-sbc 3743 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-ring 20182 df-lmod 20825 |
| This theorem is referenced by: lmodacl 20835 lmodsn0 20837 lmodvneg1 20868 lssvsubcl 20907 lspsnneg 20969 lvecvscan2 21079 lspexch 21096 lspsolvlem 21109 ipsubdir 21609 ipsubdi 21610 ip2eq 21620 ocvlss 21639 lsmcss 21659 islindf4 21805 ascl0 21852 clmfgrp 25039 lmodvslmhm 33143 lflmul 39438 lkrlss 39465 eqlkr 39469 lkrlsp 39472 lshpkrlem1 39480 ldualvsubval 39527 lcfrlem1 41912 lcdvsubval 41988 lmodvsmdi 48733 lincsum 48783 lincsumcl 48785 lincext1 48808 lindslinindsimp1 48811 lindslinindimp2lem1 48812 lindslinindsimp2lem5 48816 ldepsprlem 48826 ldepspr 48827 lincresunit3lem3 48828 lincresunit3lem1 48833 lincresunit3lem2 48834 lincresunit3 48835 |
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