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| Mirrors > Home > ILE Home > Th. List > lssuni | GIF version | ||
| Description: The union of all subspaces is the vector space. (Contributed by NM, 13-Mar-2015.) |
| Ref | Expression |
|---|---|
| lssss.v | ⊢ 𝑉 = (Base‘𝑊) |
| lssss.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
| lssuni.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| Ref | Expression |
|---|---|
| lssuni | ⊢ (𝜑 → ∪ 𝑆 = 𝑉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lssuni.w | . . 3 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 2 | lssss.v | . . . . . . 7 ⊢ 𝑉 = (Base‘𝑊) | |
| 3 | lssss.s | . . . . . . 7 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 4 | 2, 3 | lssssg 14620 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑥 ∈ 𝑆) → 𝑥 ⊆ 𝑉) |
| 5 | 4 | ralrimiva 2617 | . . . . 5 ⊢ (𝑊 ∈ LMod → ∀𝑥 ∈ 𝑆 𝑥 ⊆ 𝑉) |
| 6 | rabid2 2723 | . . . . 5 ⊢ (𝑆 = {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} ↔ ∀𝑥 ∈ 𝑆 𝑥 ⊆ 𝑉) | |
| 7 | 5, 6 | sylibr 134 | . . . 4 ⊢ (𝑊 ∈ LMod → 𝑆 = {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉}) |
| 8 | 7 | unieqd 3930 | . . 3 ⊢ (𝑊 ∈ LMod → ∪ 𝑆 = ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉}) |
| 9 | 1, 8 | syl 14 | . 2 ⊢ (𝜑 → ∪ 𝑆 = ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉}) |
| 10 | 2, 3 | lss1 14622 | . . 3 ⊢ (𝑊 ∈ LMod → 𝑉 ∈ 𝑆) |
| 11 | unimax 3953 | . . 3 ⊢ (𝑉 ∈ 𝑆 → ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} = 𝑉) | |
| 12 | 1, 10, 11 | 3syl 17 | . 2 ⊢ (𝜑 → ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} = 𝑉) |
| 13 | 9, 12 | eqtrd 2267 | 1 ⊢ (𝜑 → ∪ 𝑆 = 𝑉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 ∀wral 2522 {crab 2526 ⊆ wss 3214 ∪ cuni 3919 ‘cfv 5357 Basecbs 13296 LModclmod 14547 LSubSpclss 14612 |
| 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-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-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 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-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 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-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-iota 5317 df-fun 5359 df-fn 5360 df-fv 5365 df-riota 6011 df-ov 6061 df-inn 9255 df-2 9313 df-3 9314 df-4 9315 df-5 9316 df-6 9317 df-ndx 13299 df-slot 13300 df-base 13302 df-plusg 13387 df-mulr 13388 df-sca 13390 df-vsca 13391 df-0g 13555 df-mgm 13653 df-sgrp 13699 df-mnd 13714 df-grp 13800 df-lmod 14549 df-lssm 14613 |
| This theorem is referenced by: (None) |
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