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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 20006 | . 2 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ CMnd) | |
| 2 | ablcom.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | ablcom.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | cmncom 20017 | . 2 ⊢ ((𝐺 ∈ CMnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| 5 | 1, 4 | syl3an1 1181 | 1 ⊢ ((𝐺 ∈ Abel ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) = (𝑌 + 𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 ‘cfv 6538 (class class class)co 7420 Basecbs 17392 +gcplusg 17433 CMndccmn 19999 Abelcabl 20000 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-ov 7423 df-cmn 20001 df-abl 20002 |
| This theorem is used by: ablinvadd 20026 ablsub2inv 20027 ablsubadd 20028 abladdsub 20031 ablsubaddsub 20033 ablpncan3 20035 ablsub32 20040 ablnnncan 20041 ablsubsub23 20043 eqgabl 20053 subgabl 20055 ablnsg 20066 lsmcomx 20075 qusabl 20084 frgpnabl 20094 imasabl 20095 subrngringnsg 20810 ngplcan 24935 clmnegsubdi2 25431 clmvsubval2 25436 ncvspi 25482 r1pid 26484 abliso 33642 ablcomd 33652 r1plmhm 34187 lindsunlem 34302 cnaddcom 40122 toycom 40123 lflsub 40217 lfladdcom 40222 |
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