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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 14093 | . 2 ⊢ (𝐺 ∈ Abel ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ CMnd)) | |
| 2 | 1 | simplbi 274 | 1 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 Grpcgrp 13807 CMndccmn 14089 Abelcabl 14090 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 df-abl 14092 |
| This theorem is used by: ablgrpd 14095 ablinvadd 14116 ablsub2inv 14117 ablsubadd 14118 ablsub4 14119 abladdsub4 14120 abladdsub 14121 ablpncan2 14122 ablpncan3 14123 ablsubsub 14124 ablsubsub4 14125 ablpnpcan 14126 ablnncan 14127 ablnnncan 14129 ablnnncan1 14130 ablsubsub23 14131 ghmabl 14134 invghm 14135 eqgabl 14136 ablressid 14141 rnglz 14246 rngpropd 14256 |
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