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| Mirrors > Home > MPE Home > Th. List > subrngrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for a subring predicate. (Contributed by AV, 14-Feb-2025.) |
| Ref | Expression |
|---|---|
| subrngrcl | ⊢ (𝐴 ∈ (SubRng‘𝑅) → 𝑅 ∈ Rng) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2734 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | 1 | issubrng 20478 | . 2 ⊢ (𝐴 ∈ (SubRng‘𝑅) ↔ (𝑅 ∈ Rng ∧ (𝑅 ↾s 𝐴) ∈ Rng ∧ 𝐴 ⊆ (Base‘𝑅))) |
| 3 | 2 | simp1bi 1145 | 1 ⊢ (𝐴 ∈ (SubRng‘𝑅) → 𝑅 ∈ Rng) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 ⊆ wss 3899 ‘cfv 6490 (class class class)co 7356 Basecbs 17134 ↾s cress 17155 Rngcrng 20085 SubRngcsubrng 20476 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fv 6498 df-ov 7359 df-subrng 20477 |
| This theorem is referenced by: subrngsubg 20483 subrngringnsg 20484 opprsubrng 20490 subrngint 20491 subsubrng 20494 |
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