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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 14182 | . 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 13865 CMndccmn 14178 Abelcabl 14179 |
| 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 14181 |
| This theorem is used by: ablgrpd 14184 ablinvadd 14205 ablsub2inv 14206 ablsubadd 14207 ablsub4 14208 abladdsub4 14209 abladdsub 14210 ablpncan2 14211 ablpncan3 14212 ablsubsub 14213 ablsubsub4 14214 ablpnpcan 14215 ablnncan 14216 ablnnncan 14218 ablnnncan1 14219 ablsubsub23 14220 ghmabl 14223 invghm 14224 eqgabl 14225 ablressid 14230 rnglz 14352 rngpropd 14362 |
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