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| Mirrors > Home > MPE Home > Th. List > lssuni | Structured version Visualization version 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 | rabid2 3434 | . . . 4 ⊢ (𝑆 = {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} ↔ ∀𝑥 ∈ 𝑆 𝑥 ⊆ 𝑉) | |
| 2 | lssss.v | . . . . 5 ⊢ 𝑉 = (Base‘𝑊) | |
| 3 | lssss.s | . . . . 5 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 4 | 2, 3 | lssss 20899 | . . . 4 ⊢ (𝑥 ∈ 𝑆 → 𝑥 ⊆ 𝑉) |
| 5 | 1, 4 | mprgbir 3059 | . . 3 ⊢ 𝑆 = {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} |
| 6 | 5 | unieqi 4877 | . 2 ⊢ ∪ 𝑆 = ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} |
| 7 | lssuni.w | . . 3 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 8 | 2, 3 | lss1 20901 | . . 3 ⊢ (𝑊 ∈ LMod → 𝑉 ∈ 𝑆) |
| 9 | unimax 4902 | . . 3 ⊢ (𝑉 ∈ 𝑆 → ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} = 𝑉) | |
| 10 | 7, 8, 9 | 3syl 18 | . 2 ⊢ (𝜑 → ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} = 𝑉) |
| 11 | 6, 10 | eqtrid 2784 | 1 ⊢ (𝜑 → ∪ 𝑆 = 𝑉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 {crab 3401 ⊆ wss 3903 ∪ cuni 4865 ‘cfv 6500 Basecbs 17148 LModclmod 20823 LSubSpclss 20894 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-iota 6456 df-fun 6502 df-fv 6508 df-riota 7325 df-ov 7371 df-0g 17373 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-grp 18878 df-lmod 20825 df-lss 20895 |
| This theorem is referenced by: mapdunirnN 42020 |
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