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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 14613 | . . . . . . 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 5396 | . . . . . 6 ⊢ Fun LSubSp |
| 3 | rlmfn 14713 | . . . . . . 7 ⊢ ringLMod Fn V | |
| 4 | fnfun 5458 | . . . . . . 7 ⊢ (ringLMod Fn V → Fun ringLMod) | |
| 5 | 3, 4 | ax-mp 5 | . . . . . 6 ⊢ Fun ringLMod |
| 6 | funco 5397 | . . . . . 6 ⊢ ((Fun LSubSp ∧ Fun ringLMod) → Fun (LSubSp ∘ ringLMod)) | |
| 7 | 2, 5, 6 | mp2an 426 | . . . . 5 ⊢ Fun (LSubSp ∘ ringLMod) |
| 8 | df-lidl 14729 | . . . . . 6 ⊢ LIdeal = (LSubSp ∘ ringLMod) | |
| 9 | 8 | funeqi 5378 | . . . . 5 ⊢ (Fun LIdeal ↔ Fun (LSubSp ∘ ringLMod)) |
| 10 | 7, 9 | mpbir 146 | . . . 4 ⊢ Fun LIdeal |
| 11 | funrel 5374 | . . . 4 ⊢ (Fun LIdeal → Rel LIdeal) | |
| 12 | 10, 11 | ax-mp 5 | . . 3 ⊢ Rel LIdeal |
| 13 | lidlmex.i | . . . . 5 ⊢ 𝐼 = (LIdeal‘𝑊) | |
| 14 | 13 | eleq2i 2301 | . . . 4 ⊢ (𝑈 ∈ 𝐼 ↔ 𝑈 ∈ (LIdeal‘𝑊)) |
| 15 | 14 | biimpi 120 | . . 3 ⊢ (𝑈 ∈ 𝐼 → 𝑈 ∈ (LIdeal‘𝑊)) |
| 16 | relelfvdm 5707 | . . 3 ⊢ ((Rel LIdeal ∧ 𝑈 ∈ (LIdeal‘𝑊)) → 𝑊 ∈ dom LIdeal) | |
| 17 | 12, 15, 16 | sylancr 414 | . 2 ⊢ (𝑈 ∈ 𝐼 → 𝑊 ∈ dom LIdeal) |
| 18 | 17 | elexd 2829 | 1 ⊢ (𝑈 ∈ 𝐼 → 𝑊 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∃wex 1541 ∈ wcel 2205 ∀wral 2522 {crab 2526 Vcvv 2815 𝒫 cpw 3674 dom cdm 4754 ∘ ccom 4758 Rel wrel 4759 Fun wfun 5351 Fn wfn 5352 ‘cfv 5357 (class class class)co 6058 Basecbs 13296 +gcplusg 13374 Scalarcsca 13377 ·𝑠 cvsca 13378 LSubSpclss 14612 ringLModcrglmod 14694 LIdealclidl 14727 |
| 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 2207 ax-14 2208 ax-ext 2216 ax-coll 4230 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-ov 6061 df-oprab 6062 df-mpo 6063 df-inn 9255 df-2 9313 df-3 9314 df-4 9315 df-5 9316 df-6 9317 df-7 9318 df-8 9319 df-ndx 13299 df-slot 13300 df-base 13302 df-sets 13303 df-iress 13304 df-mulr 13388 df-sca 13390 df-vsca 13391 df-ip 13392 df-lssm 14613 df-sra 14695 df-rgmod 14696 df-lidl 14729 |
| This theorem is referenced by: lidlss 14736 lidlssbas 14737 lidlbas 14738 islidlm 14739 2idlval 14762 2idlelb 14765 |
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