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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 19858 | . 2 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ CMnd) | |
| 2 | ablcom.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 3 | ablcom.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 4 | 2, 3 | cmncom 19869 | . 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 |
| Syntax hints: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ‘cfv 6538 (class class class)co 7412 Basecbs 17270 +gcplusg 17311 CMndccmn 19851 Abelcabl 19852 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-12 2213 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-iota 6494 df-fv 6546 df-ov 7415 df-cmn 19853 df-abl 19854 |
| This theorem is referenced by: ablinvadd 19878 ablsub2inv 19879 ablsubadd 19880 abladdsub 19883 ablsubaddsub 19885 ablpncan3 19887 ablsub32 19892 ablnnncan 19893 ablsubsub23 19895 eqgabl 19905 subgabl 19907 ablnsg 19918 lsmcomx 19927 qusabl 19936 frgpnabl 19946 imasabl 19947 subrngringnsg 20639 ngplcan 24749 clmnegsubdi2 25245 clmvsubval2 25250 ncvspi 25296 r1pid 26299 abliso 33333 ablcomd 33343 r1plmhm 33877 lindsunlem 33992 cnaddcom 39724 toycom 39725 lflsub 39819 lfladdcom 39824 |
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