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| Mirrors > Home > ILE Home > Th. List > lidlssbas | 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 |
|---|---|
| lidlssbas.l | ⊢ 𝐿 = (LIdeal‘𝑅) |
| lidlssbas.i | ⊢ 𝐼 = (𝑅 ↾s 𝑈) |
| Ref | Expression |
|---|---|
| lidlssbas | ⊢ (𝑈 ∈ 𝐿 → (Base‘𝐼) ⊆ (Base‘𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lidlssbas.i | . . 3 ⊢ 𝐼 = (𝑅 ↾s 𝑈) | |
| 2 | 1 | a1i 9 | . 2 ⊢ (𝑈 ∈ 𝐿 → 𝐼 = (𝑅 ↾s 𝑈)) |
| 3 | eqidd 2230 | . 2 ⊢ (𝑈 ∈ 𝐿 → (Base‘𝑅) = (Base‘𝑅)) | |
| 4 | lidlssbas.l | . . 3 ⊢ 𝐿 = (LIdeal‘𝑅) | |
| 5 | 4 | lidlmex 14482 | . 2 ⊢ (𝑈 ∈ 𝐿 → 𝑅 ∈ V) |
| 6 | id 19 | . 2 ⊢ (𝑈 ∈ 𝐿 → 𝑈 ∈ 𝐿) | |
| 7 | 2, 3, 5, 6 | ressbasssd 13145 | 1 ⊢ (𝑈 ∈ 𝐿 → (Base‘𝐼) ⊆ (Base‘𝑅)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 Vcvv 2800 ⊆ wss 3198 ‘cfv 5324 (class class class)co 6013 Basecbs 13075 ↾s cress 13076 LIdealclidl 14474 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8116 ax-resscn 8117 ax-1re 8119 ax-addrcl 8122 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 df-ov 6016 df-oprab 6017 df-mpo 6018 df-inn 9137 df-2 9195 df-3 9196 df-4 9197 df-5 9198 df-6 9199 df-7 9200 df-8 9201 df-ndx 13078 df-slot 13079 df-base 13081 df-sets 13082 df-iress 13083 df-mulr 13167 df-sca 13169 df-vsca 13170 df-ip 13171 df-lssm 14360 df-sra 14442 df-rgmod 14443 df-lidl 14476 |
| This theorem is referenced by: rnglidlmmgm 14503 rnglidlmsgrp 14504 rnglidlrng 14505 |
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