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Mirrors > Home > ILE Home > Th. List > lmodfgrp | 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 13791 | . 2 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
3 | ringgrp 13497 | . 2 ⊢ (𝐹 ∈ Ring → 𝐹 ∈ Grp) | |
4 | 2, 3 | syl 14 | 1 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Grp) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1364 ∈ wcel 2164 ‘cfv 5254 Scalarcsca 12698 Grpcgrp 13072 Ringcrg 13492 LModclmod 13783 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-cnex 7963 ax-resscn 7964 ax-1re 7966 ax-addrcl 7969 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-iota 5215 df-fun 5256 df-fn 5257 df-fv 5262 df-ov 5921 df-inn 8983 df-2 9041 df-3 9042 df-4 9043 df-5 9044 df-6 9045 df-ndx 12621 df-slot 12622 df-base 12624 df-plusg 12708 df-mulr 12709 df-sca 12711 df-vsca 12712 df-ring 13494 df-lmod 13785 |
This theorem is referenced by: lmodacl 13795 lmodsn0 13797 lmodvneg1 13826 lssvsubcl 13862 lspsnneg 13916 |
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