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| Mirrors > Home > MPE Home > Th. List > subrgrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for a subring predicate. (Contributed by Mario Carneiro, 3-Dec-2014.) |
| Ref | Expression |
|---|---|
| subrgrcl | ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝑅 ∈ Ring) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2763 | . . . 4 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 3 | 1, 2 | issubrg 20657 | . . 3 ⊢ (𝐴 ∈ (SubRing‘𝑅) ↔ ((𝑅 ∈ Ring ∧ (𝑅 ↾s 𝐴) ∈ Ring) ∧ (𝐴 ⊆ (Base‘𝑅) ∧ (1r‘𝑅) ∈ 𝐴))) |
| 4 | 3 | simplbi 501 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → (𝑅 ∈ Ring ∧ (𝑅 ↾s 𝐴) ∈ Ring)) |
| 5 | 4 | simpld 499 | 1 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝑅 ∈ Ring) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2143 ⊆ wss 3906 ‘cfv 6538 (class class class)co 7412 Basecbs 17270 ↾s cress 17291 1rcur 20264 Ringcrg 20316 SubRingcsubrg 20655 |
| This theorem was proved from 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-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 |
| This theorem 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-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7415 df-subrg 20656 |
| This theorem is referenced by: subrgsubg 20663 subrg1 20668 subrgsubm 20671 subrginv 20674 subrgunit 20676 subrgugrp 20677 opprsubrg 20679 subrgint 20681 subsubrg 20684 resrhm2b 20688 sralmod 21289 subrgpsr 22108 subrgmpl 22163 subrgmvr 22165 subrgmvrf 22166 subrgascl 22198 subrgasclcl 22199 asclply1subcl 22515 subrdom 33583 idlinsubrg 33717 ressply10g 33835 ressply1invg 33837 |
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