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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 13868 | . 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 13576 CMndccmn 13864 Abelcabl 13865 |
| 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 2802 df-in 3204 df-abl 13867 |
| This theorem is referenced by: ablgrpd 13870 ablinvadd 13890 ablsub2inv 13891 ablsubadd 13892 ablsub4 13893 abladdsub4 13894 abladdsub 13895 ablpncan2 13896 ablpncan3 13897 ablsubsub 13898 ablsubsub4 13899 ablpnpcan 13900 ablnncan 13901 ablnnncan 13903 ablnnncan1 13904 ablsubsub23 13905 ghmabl 13908 invghm 13909 eqgabl 13910 ablressid 13915 rnglz 13951 rngpropd 13961 |
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