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Mirrors > Home > MPE Home > Th. List > Mathboxes > submgmacs | Structured version Visualization version GIF version |
Description: Submagmas are an algebraic closure system. (Contributed by AV, 27-Feb-2020.) |
Ref | Expression |
---|---|
submgmacs.b | ⊢ 𝐵 = (Base‘𝐺) |
Ref | Expression |
---|---|
submgmacs | ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) ∈ (ACS‘𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | submgmacs.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝐺) | |
2 | eqid 2737 | . . . . . 6 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
3 | 1, 2 | issubmgm 45016 | . . . . 5 ⊢ (𝐺 ∈ Mgm → (𝑠 ∈ (SubMgm‘𝐺) ↔ (𝑠 ⊆ 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠))) |
4 | velpw 4518 | . . . . . 6 ⊢ (𝑠 ∈ 𝒫 𝐵 ↔ 𝑠 ⊆ 𝐵) | |
5 | 4 | anbi1i 627 | . . . . 5 ⊢ ((𝑠 ∈ 𝒫 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠) ↔ (𝑠 ⊆ 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠)) |
6 | 3, 5 | bitr4di 292 | . . . 4 ⊢ (𝐺 ∈ Mgm → (𝑠 ∈ (SubMgm‘𝐺) ↔ (𝑠 ∈ 𝒫 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠))) |
7 | 6 | abbi2dv 2874 | . . 3 ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) = {𝑠 ∣ (𝑠 ∈ 𝒫 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠)}) |
8 | df-rab 3070 | . . 3 ⊢ {𝑠 ∈ 𝒫 𝐵 ∣ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠} = {𝑠 ∣ (𝑠 ∈ 𝒫 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠)} | |
9 | 7, 8 | eqtr4di 2796 | . 2 ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) = {𝑠 ∈ 𝒫 𝐵 ∣ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠}) |
10 | 1 | fvexi 6731 | . . 3 ⊢ 𝐵 ∈ V |
11 | 1, 2 | mgmcl 18117 | . . . . 5 ⊢ ((𝐺 ∈ Mgm ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) |
12 | 11 | 3expb 1122 | . . . 4 ⊢ ((𝐺 ∈ Mgm ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) |
13 | 12 | ralrimivva 3112 | . . 3 ⊢ (𝐺 ∈ Mgm → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) |
14 | acsfn2 17166 | . . 3 ⊢ ((𝐵 ∈ V ∧ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) → {𝑠 ∈ 𝒫 𝐵 ∣ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠} ∈ (ACS‘𝐵)) | |
15 | 10, 13, 14 | sylancr 590 | . 2 ⊢ (𝐺 ∈ Mgm → {𝑠 ∈ 𝒫 𝐵 ∣ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠} ∈ (ACS‘𝐵)) |
16 | 9, 15 | eqeltrd 2838 | 1 ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) ∈ (ACS‘𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 {cab 2714 ∀wral 3061 {crab 3065 Vcvv 3408 ⊆ wss 3866 𝒫 cpw 4513 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 +gcplusg 16802 ACScacs 17088 Mgmcmgm 18112 SubMgmcsubmgm 45005 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-iun 4906 df-iin 4907 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-ov 7216 df-om 7645 df-1o 8202 df-en 8627 df-fin 8630 df-mre 17089 df-mrc 17090 df-acs 17092 df-mgm 18114 df-submgm 45007 |
This theorem is referenced by: (None) |
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