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Mirrors > Home > MPE Home > Th. List > subrgmre | Structured version Visualization version GIF version |
Description: The subrings of a ring are a Moore system. (Contributed by Stefan O'Rear, 9-Mar-2015.) |
Ref | Expression |
---|---|
subrgmre.b | ⊢ 𝐵 = (Base‘𝑅) |
Ref | Expression |
---|---|
subrgmre | ⊢ (𝑅 ∈ Ring → (SubRing‘𝑅) ∈ (Moore‘𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | subrgmre.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑅) | |
2 | 1 | subrgss 19814 | . . . . 5 ⊢ (𝑎 ∈ (SubRing‘𝑅) → 𝑎 ⊆ 𝐵) |
3 | velpw 4527 | . . . . 5 ⊢ (𝑎 ∈ 𝒫 𝐵 ↔ 𝑎 ⊆ 𝐵) | |
4 | 2, 3 | sylibr 237 | . . . 4 ⊢ (𝑎 ∈ (SubRing‘𝑅) → 𝑎 ∈ 𝒫 𝐵) |
5 | 4 | a1i 11 | . . 3 ⊢ (𝑅 ∈ Ring → (𝑎 ∈ (SubRing‘𝑅) → 𝑎 ∈ 𝒫 𝐵)) |
6 | 5 | ssrdv 3916 | . 2 ⊢ (𝑅 ∈ Ring → (SubRing‘𝑅) ⊆ 𝒫 𝐵) |
7 | 1 | subrgid 19815 | . 2 ⊢ (𝑅 ∈ Ring → 𝐵 ∈ (SubRing‘𝑅)) |
8 | subrgint 19835 | . . 3 ⊢ ((𝑎 ⊆ (SubRing‘𝑅) ∧ 𝑎 ≠ ∅) → ∩ 𝑎 ∈ (SubRing‘𝑅)) | |
9 | 8 | 3adant1 1132 | . 2 ⊢ ((𝑅 ∈ Ring ∧ 𝑎 ⊆ (SubRing‘𝑅) ∧ 𝑎 ≠ ∅) → ∩ 𝑎 ∈ (SubRing‘𝑅)) |
10 | 6, 7, 9 | ismred 17118 | 1 ⊢ (𝑅 ∈ Ring → (SubRing‘𝑅) ∈ (Moore‘𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2111 ≠ wne 2941 ⊆ wss 3875 ∅c0 4246 𝒫 cpw 4522 ∩ cint 4868 ‘cfv 6389 Basecbs 16773 Moorecmre 17098 Ringcrg 19575 SubRingcsubrg 19809 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2159 ax-12 2176 ax-ext 2709 ax-sep 5201 ax-nul 5208 ax-pow 5267 ax-pr 5331 ax-un 7532 ax-cnex 10798 ax-resscn 10799 ax-1cn 10800 ax-icn 10801 ax-addcl 10802 ax-addrcl 10803 ax-mulcl 10804 ax-mulrcl 10805 ax-mulcom 10806 ax-addass 10807 ax-mulass 10808 ax-distr 10809 ax-i2m1 10810 ax-1ne0 10811 ax-1rid 10812 ax-rnegex 10813 ax-rrecex 10814 ax-cnre 10815 ax-pre-lttri 10816 ax-pre-lttrn 10817 ax-pre-ltadd 10818 ax-pre-mulgt0 10819 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2072 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3067 df-rex 3068 df-reu 3069 df-rmo 3070 df-rab 3071 df-v 3417 df-sbc 3704 df-csb 3821 df-dif 3878 df-un 3880 df-in 3882 df-ss 3892 df-pss 3894 df-nul 4247 df-if 4449 df-pw 4524 df-sn 4551 df-pr 4553 df-tp 4555 df-op 4557 df-uni 4829 df-int 4869 df-iun 4915 df-br 5063 df-opab 5125 df-mpt 5145 df-tr 5171 df-id 5464 df-eprel 5469 df-po 5477 df-so 5478 df-fr 5518 df-we 5520 df-xp 5566 df-rel 5567 df-cnv 5568 df-co 5569 df-dm 5570 df-rn 5571 df-res 5572 df-ima 5573 df-pred 6169 df-ord 6225 df-on 6226 df-lim 6227 df-suc 6228 df-iota 6347 df-fun 6391 df-fn 6392 df-f 6393 df-f1 6394 df-fo 6395 df-f1o 6396 df-fv 6397 df-riota 7179 df-ov 7225 df-oprab 7226 df-mpo 7227 df-om 7654 df-wrecs 8056 df-recs 8117 df-rdg 8155 df-er 8400 df-en 8636 df-dom 8637 df-sdom 8638 df-pnf 10882 df-mnf 10883 df-xr 10884 df-ltxr 10885 df-le 10886 df-sub 11077 df-neg 11078 df-nn 11844 df-2 11906 df-3 11907 df-sets 16730 df-slot 16748 df-ndx 16758 df-base 16774 df-ress 16798 df-plusg 16828 df-mulr 16829 df-0g 16959 df-mre 17102 df-mgm 18127 df-sgrp 18176 df-mnd 18187 df-grp 18381 df-minusg 18382 df-subg 18553 df-mgp 19518 df-ur 19530 df-ring 19577 df-subrg 19811 |
This theorem is referenced by: aspval2 20871 evlseu 21056 |
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