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| Mirrors > Home > ILE Home > Th. List > ablgrp | GIF version | ||
| Description: An Abelian group is a group. (Contributed by NM, 26-Aug-2011.) |
| Ref | Expression |
|---|---|
| ablgrp | ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isabl 13846 | . 2 ⊢ (𝐺 ∈ Abel ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ CMnd)) | |
| 2 | 1 | simplbi 274 | 1 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 Grpcgrp 13554 CMndccmn 13842 Abelcabl 13843 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2801 df-in 3203 df-abl 13845 |
| This theorem is referenced by: ablgrpd 13848 ablinvadd 13868 ablsub2inv 13869 ablsubadd 13870 ablsub4 13871 abladdsub4 13872 abladdsub 13873 ablpncan2 13874 ablpncan3 13875 ablsubsub 13876 ablsubsub4 13877 ablpnpcan 13878 ablnncan 13879 ablnnncan 13881 ablnnncan1 13882 ablsubsub23 13883 ghmabl 13886 invghm 13887 eqgabl 13888 ablressid 13893 rnglz 13929 rngpropd 13939 |
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