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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 2231 | . 2 ⊢ (𝑈 ∈ 𝐿 → (Base‘𝑅) = (Base‘𝑅)) | |
| 4 | lidlssbas.l | . . 3 ⊢ 𝐿 = (LIdeal‘𝑅) | |
| 5 | 4 | lidlmex 14513 | . 2 ⊢ (𝑈 ∈ 𝐿 → 𝑅 ∈ V) |
| 6 | id 19 | . 2 ⊢ (𝑈 ∈ 𝐿 → 𝑈 ∈ 𝐿) | |
| 7 | 2, 3, 5, 6 | ressbasssd 13175 | 1 ⊢ (𝑈 ∈ 𝐿 → (Base‘𝐼) ⊆ (Base‘𝑅)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2201 Vcvv 2801 ⊆ wss 3199 ‘cfv 5328 (class class class)co 6023 Basecbs 13105 ↾s cress 13106 LIdealclidl 14505 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4205 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 ax-cnex 8128 ax-resscn 8129 ax-1re 8131 ax-addrcl 8134 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-iun 3973 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-f1 5333 df-fo 5334 df-f1o 5335 df-fv 5336 df-ov 6026 df-oprab 6027 df-mpo 6028 df-inn 9149 df-2 9207 df-3 9208 df-4 9209 df-5 9210 df-6 9211 df-7 9212 df-8 9213 df-ndx 13108 df-slot 13109 df-base 13111 df-sets 13112 df-iress 13113 df-mulr 13197 df-sca 13199 df-vsca 13200 df-ip 13201 df-lssm 14391 df-sra 14473 df-rgmod 14474 df-lidl 14507 |
| This theorem is referenced by: rnglidlmmgm 14534 rnglidlmsgrp 14535 rnglidlrng 14536 |
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