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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 3425 | . . . 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 20933 | . . . 4 ⊢ (𝑥 ∈ 𝑆 → 𝑥 ⊆ 𝑉) |
| 5 | 1, 4 | mprgbir 3061 | . . 3 ⊢ 𝑆 = {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} |
| 6 | 5 | unieqi 4857 | . 2 ⊢ ∪ 𝑆 = ∪ {𝑥 ∈ 𝑆 ∣ 𝑥 ⊆ 𝑉} |
| 7 | lssuni.w | . . 3 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 8 | 2, 3 | lss1 20935 | . . 3 ⊢ (𝑊 ∈ LMod → 𝑉 ∈ 𝑆) |
| 9 | unimax 4882 | . . 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 2787 | 1 ⊢ (𝜑 → ∪ 𝑆 = 𝑉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 {crab 3392 ⊆ wss 3890 ∪ cuni 4845 ‘cfv 6492 Basecbs 17177 LModclmod 20857 LSubSpclss 20928 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rmo 3345 df-reu 3346 df-rab 3393 df-v 3434 df-sbc 3731 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-iota 6448 df-fun 6494 df-fv 6500 df-riota 7320 df-ov 7366 df-0g 17402 df-mgm 18606 df-sgrp 18685 df-mnd 18701 df-grp 18910 df-lmod 20859 df-lss 20929 |
| This theorem is referenced by: mapdunirnN 42149 |
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