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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 2765 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | eqid 2765 | . . . 4 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 3 | 1, 2 | issubrg 20647 | . . 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 2145 ⊆ wss 3907 ‘cfv 6525 (class class class)co 7400 Basecbs 17259 ↾s cress 17280 1rcur 20254 Ringcrg 20306 SubRingcsubrg 20645 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-opab 5168 df-mpt 5187 df-id 5547 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-iota 6481 df-fun 6527 df-fv 6533 df-ov 7403 df-subrg 20646 |
| This theorem is referenced by: subrgsubg 20653 subrg1 20658 subrgsubm 20661 subrginv 20664 subrgunit 20666 subrgugrp 20667 opprsubrg 20669 subrgint 20671 subsubrg 20674 resrhm2b 20678 sralmod 21277 subrgpsr 22087 subrgmpl 22142 subrgmvr 22144 subrgmvrf 22145 subrgascl 22177 subrgasclcl 22178 asclply1subcl 22495 subrdom 33518 idlinsubrg 33655 ressply10g 33774 ressply1invg 33776 |
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