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| Mirrors > Home > MPE Home > Th. List > ringacl | Structured version Visualization version GIF version | ||
| Description: Closure of the addition operation of a ring. (Contributed by Mario Carneiro, 14-Jan-2014.) |
| Ref | Expression |
|---|---|
| ringacl.b | ⊢ 𝐵 = (Base‘𝑅) |
| ringacl.p | ⊢ + = (+g‘𝑅) |
| Ref | Expression |
|---|---|
| ringacl | ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringgrp 20173 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 2 | ringacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | grpcl 18871 | . 2 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1163 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ‘cfv 6492 (class class class)co 7358 Basecbs 17136 +gcplusg 17177 Grpcgrp 18863 Ringcrg 20168 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-nul 5251 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-mgm 18565 df-sgrp 18644 df-mnd 18660 df-grp 18866 df-ring 20170 |
| This theorem is referenced by: ringcomlem 20214 ringcom 20215 ringlghm 20247 ringrghm 20248 imasring 20266 qusring2 20270 cntzsubr 20539 srngadd 20784 issrngd 20788 lmodprop2d 20875 prdslmodd 20920 rhmpreimaidl 21232 frobrhm 21530 ip2subdi 21599 psrlmod 21915 mpfind 22070 coe1add 22206 mat1ghm 22427 scmatghm 22477 mdetrlin2 22551 mdetunilem5 22560 cpmatacl 22660 mdegaddle 26035 deg1addle2 26063 deg1add 26064 ply1divex 26098 deg1addlt 33681 dvhlveclem 41364 baerlem3lem1 41963 mendlmod 43427 cznrng 48503 lmod1lem3 48731 |
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