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| Mirrors > Home > ILE Home > Th. List > lidlmex | GIF version | ||
| Description: Existence of the set a left ideal is built from (when the ideal is inhabited). (Contributed by Jim Kingdon, 18-Apr-2025.) |
| Ref | Expression |
|---|---|
| lidlmex.i | ⊢ 𝐼 = (LIdeal‘𝑊) |
| Ref | Expression |
|---|---|
| lidlmex | ⊢ (𝑈 ∈ 𝐼 → 𝑊 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-lssm 14429 | . . . . . . 7 ⊢ LSubSp = (𝑤 ∈ V ↦ {𝑠 ∈ 𝒫 (Base‘𝑤) ∣ (∃𝑗 𝑗 ∈ 𝑠 ∧ ∀𝑥 ∈ (Base‘(Scalar‘𝑤))∀𝑎 ∈ 𝑠 ∀𝑏 ∈ 𝑠 ((𝑥( ·𝑠 ‘𝑤)𝑎)(+g‘𝑤)𝑏) ∈ 𝑠)}) | |
| 2 | 1 | funmpt2 5372 | . . . . . 6 ⊢ Fun LSubSp |
| 3 | rlmfn 14529 | . . . . . . 7 ⊢ ringLMod Fn V | |
| 4 | fnfun 5434 | . . . . . . 7 ⊢ (ringLMod Fn V → Fun ringLMod) | |
| 5 | 3, 4 | ax-mp 5 | . . . . . 6 ⊢ Fun ringLMod |
| 6 | funco 5373 | . . . . . 6 ⊢ ((Fun LSubSp ∧ Fun ringLMod) → Fun (LSubSp ∘ ringLMod)) | |
| 7 | 2, 5, 6 | mp2an 426 | . . . . 5 ⊢ Fun (LSubSp ∘ ringLMod) |
| 8 | df-lidl 14545 | . . . . . 6 ⊢ LIdeal = (LSubSp ∘ ringLMod) | |
| 9 | 8 | funeqi 5354 | . . . . 5 ⊢ (Fun LIdeal ↔ Fun (LSubSp ∘ ringLMod)) |
| 10 | 7, 9 | mpbir 146 | . . . 4 ⊢ Fun LIdeal |
| 11 | funrel 5350 | . . . 4 ⊢ (Fun LIdeal → Rel LIdeal) | |
| 12 | 10, 11 | ax-mp 5 | . . 3 ⊢ Rel LIdeal |
| 13 | lidlmex.i | . . . . 5 ⊢ 𝐼 = (LIdeal‘𝑊) | |
| 14 | 13 | eleq2i 2298 | . . . 4 ⊢ (𝑈 ∈ 𝐼 ↔ 𝑈 ∈ (LIdeal‘𝑊)) |
| 15 | 14 | biimpi 120 | . . 3 ⊢ (𝑈 ∈ 𝐼 → 𝑈 ∈ (LIdeal‘𝑊)) |
| 16 | relelfvdm 5680 | . . 3 ⊢ ((Rel LIdeal ∧ 𝑈 ∈ (LIdeal‘𝑊)) → 𝑊 ∈ dom LIdeal) | |
| 17 | 12, 15, 16 | sylancr 414 | . 2 ⊢ (𝑈 ∈ 𝐼 → 𝑊 ∈ dom LIdeal) |
| 18 | 17 | elexd 2817 | 1 ⊢ (𝑈 ∈ 𝐼 → 𝑊 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∃wex 1541 ∈ wcel 2202 ∀wral 2511 {crab 2515 Vcvv 2803 𝒫 cpw 3656 dom cdm 4731 ∘ ccom 4735 Rel wrel 4736 Fun wfun 5327 Fn wfn 5328 ‘cfv 5333 (class class class)co 6028 Basecbs 13143 +gcplusg 13221 Scalarcsca 13224 ·𝑠 cvsca 13225 LSubSpclss 14428 ringLModcrglmod 14510 LIdealclidl 14543 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-inn 9187 df-2 9245 df-3 9246 df-4 9247 df-5 9248 df-6 9249 df-7 9250 df-8 9251 df-ndx 13146 df-slot 13147 df-base 13149 df-sets 13150 df-iress 13151 df-mulr 13235 df-sca 13237 df-vsca 13238 df-ip 13239 df-lssm 14429 df-sra 14511 df-rgmod 14512 df-lidl 14545 |
| This theorem is referenced by: lidlss 14552 lidlssbas 14553 lidlbas 14554 islidlm 14555 2idlval 14578 2idlelb 14581 |
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