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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 2739 | . . . . . 6 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
3 | 1, 2 | issubmgm 45295 | . . . . 5 ⊢ (𝐺 ∈ Mgm → (𝑠 ∈ (SubMgm‘𝐺) ↔ (𝑠 ⊆ 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠))) |
4 | velpw 4543 | . . . . . 6 ⊢ (𝑠 ∈ 𝒫 𝐵 ↔ 𝑠 ⊆ 𝐵) | |
5 | 4 | anbi1i 623 | . . . . 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 288 | . . . 4 ⊢ (𝐺 ∈ Mgm → (𝑠 ∈ (SubMgm‘𝐺) ↔ (𝑠 ∈ 𝒫 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠))) |
7 | 6 | abbi2dv 2878 | . . 3 ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) = {𝑠 ∣ (𝑠 ∈ 𝒫 𝐵 ∧ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠)}) |
8 | df-rab 3074 | . . 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 2797 | . 2 ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) = {𝑠 ∈ 𝒫 𝐵 ∣ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠}) |
10 | 1 | fvexi 6782 | . . 3 ⊢ 𝐵 ∈ V |
11 | 1, 2 | mgmcl 18310 | . . . . 5 ⊢ ((𝐺 ∈ Mgm ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) |
12 | 11 | 3expb 1118 | . . . 4 ⊢ ((𝐺 ∈ Mgm ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) |
13 | 12 | ralrimivva 3116 | . . 3 ⊢ (𝐺 ∈ Mgm → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(+g‘𝐺)𝑦) ∈ 𝐵) |
14 | acsfn2 17353 | . . 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 586 | . 2 ⊢ (𝐺 ∈ Mgm → {𝑠 ∈ 𝒫 𝐵 ∣ ∀𝑥 ∈ 𝑠 ∀𝑦 ∈ 𝑠 (𝑥(+g‘𝐺)𝑦) ∈ 𝑠} ∈ (ACS‘𝐵)) |
16 | 9, 15 | eqeltrd 2840 | 1 ⊢ (𝐺 ∈ Mgm → (SubMgm‘𝐺) ∈ (ACS‘𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2109 {cab 2716 ∀wral 3065 {crab 3069 Vcvv 3430 ⊆ wss 3891 𝒫 cpw 4538 ‘cfv 6430 (class class class)co 7268 Basecbs 16893 +gcplusg 16943 ACScacs 17275 Mgmcmgm 18305 SubMgmcsubmgm 45284 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-ral 3070 df-rex 3071 df-reu 3072 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-int 4885 df-iun 4931 df-iin 4932 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-ov 7271 df-om 7701 df-1o 8281 df-en 8708 df-fin 8711 df-mre 17276 df-mrc 17277 df-acs 17279 df-mgm 18307 df-submgm 45286 |
This theorem is referenced by: (None) |
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