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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 20217 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 2 | ringacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | grpcl 18915 | . 2 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1169 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ‘cfv 6492 (class class class)co 7363 Basecbs 17177 +gcplusg 17218 Grpcgrp 18907 Ringcrg 20212 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-nul 5235 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-iota 6448 df-fv 6500 df-ov 7366 df-mgm 18606 df-sgrp 18685 df-mnd 18701 df-grp 18910 df-ring 20214 |
| This theorem is referenced by: ringcomlem 20258 ringcom 20259 ringlghm 20291 ringrghm 20292 imasring 20308 qusring2 20312 cntzsubr 20585 srngadd 20830 issrngd 20834 lmodprop2d 20921 prdslmodd 20966 rhmpreimaidl 21277 frobrhm 21557 ip2subdi 21626 psrlmod 21941 mpfind 22098 coe1add 22257 mat1ghm 22473 scmatghm 22523 mdetrlin2 22597 mdetunilem5 22606 cpmatacl 22706 mdegaddle 26064 deg1addle2 26092 deg1add 26093 ply1divex 26127 deg1addlt 33690 dvhlveclem 41607 baerlem3lem1 42206 mendlmod 43641 cznrng 48759 lmod1lem3 48987 |
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