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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 20219 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 2 | ringacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | grpcl 18917 | . 2 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1164 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ‘cfv 6498 (class class class)co 7367 Basecbs 17179 +gcplusg 17220 Grpcgrp 18909 Ringcrg 20214 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 ax-nul 5241 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-iota 6454 df-fv 6506 df-ov 7370 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-ring 20216 |
| This theorem is referenced by: ringcomlem 20260 ringcom 20261 ringlghm 20293 ringrghm 20294 imasring 20310 qusring2 20314 cntzsubr 20583 srngadd 20828 issrngd 20832 lmodprop2d 20919 prdslmodd 20964 rhmpreimaidl 21275 frobrhm 21555 ip2subdi 21624 psrlmod 21938 mpfind 22093 coe1add 22229 mat1ghm 22448 scmatghm 22498 mdetrlin2 22572 mdetunilem5 22581 cpmatacl 22681 mdegaddle 26039 deg1addle2 26067 deg1add 26068 ply1divex 26102 deg1addlt 33660 dvhlveclem 41554 baerlem3lem1 42153 mendlmod 43617 cznrng 48737 lmod1lem3 48965 |
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