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| Mirrors > Home > MPE Home > Th. List > ablcom | Structured version Visualization version GIF version | ||
| Description: An Abelian group operation is commutative. (Contributed by NM, 26-Aug-2011.) |
| Ref | Expression |
|---|---|
| ablcom.b | ⊢ 𝐵 = (Base‘𝐺) |
| ablcom.p | ⊢ + = (+g‘𝐺) |
| Ref | Expression |
|---|---|
| ablcom | ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ablcmn 19848 | . 2 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ CMnd) | |
| 2 | ablcom.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | ablcom.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | cmncom 19859 | . 2 ⊢ ((𝐺 ∈ CMnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| 5 | 1, 4 | syl3an1 1179 | 1 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1101 = wceq 1563 ∈ wcel 2145 ‘cfv 6525 (class class class)co 7400 Basecbs 17259 +gcplusg 17300 CMndccmn 19841 Abelcabl 19842 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-12 2215 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-iota 6481 df-fv 6533 df-ov 7403 df-cmn 19843 df-abl 19844 |
| This theorem is referenced by: ablinvadd 19868 ablsub2inv 19869 ablsubadd 19870 abladdsub 19873 ablsubaddsub 19875 ablpncan3 19877 ablsub32 19882 ablnnncan 19883 ablsubsub23 19885 eqgabl 19895 subgabl 19897 ablnsg 19908 lsmcomx 19917 qusabl 19926 frgpnabl 19936 imasabl 19937 subrngringnsg 20629 ngplcan 24729 clmnegsubdi2 25225 clmvsubval2 25230 ncvspi 25276 r1pid 26279 abliso 33268 ablcomd 33278 r1plmhm 33816 lindsunlem 33931 cnaddcom 39608 toycom 39609 lflsub 39703 lfladdcom 39708 |
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