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Mirrors > Home > MPE Home > Th. List > Mathboxes > lidlssbas | Structured version Visualization version GIF version |
Description: The base set of the restriction of the ring to a (left) ideal is a subset of the base set of the ring. (Contributed by AV, 17-Feb-2020.) |
Ref | Expression |
---|---|
lidlabl.l | ⊢ 𝐿 = (LIdeal‘𝑅) |
lidlabl.i | ⊢ 𝐼 = (𝑅 ↾s 𝑈) |
Ref | Expression |
---|---|
lidlssbas | ⊢ (𝑈 ∈ 𝐿 → (Base‘𝐼) ⊆ (Base‘𝑅)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lidlabl.i | . . 3 ⊢ 𝐼 = (𝑅 ↾s 𝑈) | |
2 | eqid 2818 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
3 | 1, 2 | ressbas 16542 | . 2 ⊢ (𝑈 ∈ 𝐿 → (𝑈 ∩ (Base‘𝑅)) = (Base‘𝐼)) |
4 | inss2 4203 | . 2 ⊢ (𝑈 ∩ (Base‘𝑅)) ⊆ (Base‘𝑅) | |
5 | 3, 4 | eqsstrrdi 4019 | 1 ⊢ (𝑈 ∈ 𝐿 → (Base‘𝐼) ⊆ (Base‘𝑅)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1528 ∈ wcel 2105 ∩ cin 3932 ⊆ wss 3933 ‘cfv 6348 (class class class)co 7145 Basecbs 16471 ↾s cress 16472 LIdealclidl 19871 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7450 ax-cnex 10581 ax-1cn 10583 ax-addcl 10585 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ne 3014 df-ral 3140 df-rex 3141 df-reu 3142 df-rab 3144 df-v 3494 df-sbc 3770 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4464 df-pw 4537 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4831 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-ov 7148 df-oprab 7149 df-mpo 7150 df-om 7570 df-wrecs 7936 df-recs 7997 df-rdg 8035 df-nn 11627 df-ndx 16474 df-slot 16475 df-base 16477 df-sets 16478 df-ress 16479 |
This theorem is referenced by: lidlmmgm 44124 lidlmsgrp 44125 lidlrng 44126 |
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