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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 20324 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 2 | ringacl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringacl.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 4 | 2, 3 | grpcl 19012 | . 2 ⊢ ((𝑅 ∈ Grp ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| 5 | 1, 4 | syl3an1 1181 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ‘cfv 6536 (class class class)co 7410 Basecbs 17273 +gcplusg 17314 Grpcgrp 19004 Ringcrg 20319 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-nul 5269 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 df-mgm 18702 df-sgrp 18781 df-mnd 18797 df-grp 19007 df-ring 20321 |
| This theorem is used by: ringcomlem 20367 ringcom 20368 ringlghm 20400 ringrghm 20401 imasring 20417 qusring2 20421 cntzsubr 20714 srngadd 20963 issrngd 20967 lmodprop2d 21054 prdslmodd 21099 rhmpreimaidl 21425 frobrhm 21734 ip2subdi 21803 psrlmod 22118 mpfind 22275 coe1add 22434 mat1ghm 22649 scmatghm 22699 mdetrlin2 22773 mdetunilem5 22782 cpmatacl 22882 mdegaddle 26240 deg1addle2 26268 deg1add 26269 ply1divex 26303 deg1addlt 33899 dvhlveclem 41910 baerlem3lem1 42509 mendlmod 43944 cznrng 49054 lmod1lem3 49297 |
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