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Mirrors > Home > MPE Home > Th. List > isabloi | Structured version Visualization version GIF version |
Description: Properties that determine an Abelian group operation. (Contributed by NM, 5-Nov-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
isabli.1 | ⊢ 𝐺 ∈ GrpOp |
isabli.2 | ⊢ dom 𝐺 = (𝑋 × 𝑋) |
isabli.3 | ⊢ ((𝑥 ∈ 𝑋 ∧ 𝑦 ∈ 𝑋) → (𝑥𝐺𝑦) = (𝑦𝐺𝑥)) |
Ref | Expression |
---|---|
isabloi | ⊢ 𝐺 ∈ AbelOp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isabli.1 | . 2 ⊢ 𝐺 ∈ GrpOp | |
2 | isabli.3 | . . 3 ⊢ ((𝑥 ∈ 𝑋 ∧ 𝑦 ∈ 𝑋) → (𝑥𝐺𝑦) = (𝑦𝐺𝑥)) | |
3 | 2 | rgen2a 2960 | . 2 ⊢ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝑥𝐺𝑦) = (𝑦𝐺𝑥) |
4 | isabli.2 | . . . 4 ⊢ dom 𝐺 = (𝑋 × 𝑋) | |
5 | 1, 4 | grporn 26759 | . . 3 ⊢ 𝑋 = ran 𝐺 |
6 | 5 | isablo 26784 | . 2 ⊢ (𝐺 ∈ AbelOp ↔ (𝐺 ∈ GrpOp ∧ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝑥𝐺𝑦) = (𝑦𝐺𝑥))) |
7 | 1, 3, 6 | mpbir2an 957 | 1 ⊢ 𝐺 ∈ AbelOp |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 × cxp 5036 dom cdm 5038 (class class class)co 6549 GrpOpcgr 26727 AbelOpcablo 26782 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 ax-un 6847 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-fo 5810 df-fv 5812 df-ov 6552 df-grpo 26731 df-ablo 26783 |
This theorem is referenced by: cnaddabloOLD 26820 hilablo 27401 hhssabloi 27503 |
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