| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 20267 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 2 | ringacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | grpcl 18966 | . 2 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1175 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1097 = wceq 1559 ∈ wcel 2141 ‘cfv 6517 (class class class)co 7392 Basecbs 17228 +gcplusg 17269 Grpcgrp 18958 Ringcrg 20262 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-nul 5255 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3745 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4480 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-iota 6473 df-fv 6525 df-ov 7395 df-mgm 18657 df-sgrp 18736 df-mnd 18752 df-grp 18961 df-ring 20264 |
| This theorem is referenced by: ringcomlem 20308 ringcom 20309 ringlghm 20341 ringrghm 20342 imasring 20358 qusring2 20362 cntzsubr 20635 srngadd 20880 issrngd 20884 lmodprop2d 20971 prdslmodd 21016 rhmpreimaidl 21327 frobrhm 21607 ip2subdi 21676 psrlmod 21991 mpfind 22148 coe1add 22307 mat1ghm 22523 scmatghm 22573 mdetrlin2 22647 mdetunilem5 22656 cpmatacl 22756 mdegaddle 26114 deg1addle2 26142 deg1add 26143 ply1divex 26177 deg1addlt 33757 dvhlveclem 41696 baerlem3lem1 42295 mendlmod 43730 cznrng 48847 lmod1lem3 49075 |
| Copyright terms: Public domain | W3C validator |