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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 13994 | . 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 2203 Grpcgrp 13702 CMndccmn 13990 Abelcabl 13991 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2814 df-in 3216 df-abl 13993 |
| This theorem is referenced by: ablgrpd 13996 ablinvadd 14016 ablsub2inv 14017 ablsubadd 14018 ablsub4 14019 abladdsub4 14020 abladdsub 14021 ablpncan2 14022 ablpncan3 14023 ablsubsub 14024 ablsubsub4 14025 ablpnpcan 14026 ablnncan 14027 ablnnncan 14029 ablnnncan1 14030 ablsubsub23 14031 ghmabl 14034 invghm 14035 eqgabl 14036 ablressid 14041 rnglz 14078 rngpropd 14088 |
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