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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 2731 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 2 | 1 | issubrng 20462 | . 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 2111 ⊆ wss 3897 ‘cfv 6481 (class class class)co 7346 Basecbs 17120 ↾s cress 17141 Rngcrng 20070 SubRngcsubrng 20460 |
| 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 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 |
| 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 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-br 5090 df-opab 5152 df-mpt 5171 df-id 5509 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-iota 6437 df-fun 6483 df-fv 6489 df-ov 7349 df-subrng 20461 |
| This theorem is referenced by: subrngsubg 20467 subrngringnsg 20468 opprsubrng 20474 subrngint 20475 subsubrng 20478 |
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