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| Mirrors > Home > HSE Home > Th. List > spanss | Structured version Visualization version GIF version | ||
| Description: Ordering relationship for the spans of subsets of Hilbert space. (Contributed by NM, 2-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| spanss | ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → (span‘𝐴) ⊆ (span‘𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sstr2 3942 | . . . . . 6 ⊢ (𝐴 ⊆ 𝐵 → (𝐵 ⊆ 𝑥 → 𝐴 ⊆ 𝑥)) | |
| 2 | 1 | adantr 480 | . . . . 5 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝑥 ∈ Sℋ ) → (𝐵 ⊆ 𝑥 → 𝐴 ⊆ 𝑥)) |
| 3 | 2 | ss2rabdv 4029 | . . . 4 ⊢ (𝐴 ⊆ 𝐵 → {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥} ⊆ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥}) |
| 4 | intss 4926 | . . . 4 ⊢ ({𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥} ⊆ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥} → ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥} ⊆ ∩ {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥}) | |
| 5 | 3, 4 | syl 17 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥} ⊆ ∩ {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥}) |
| 6 | 5 | adantl 481 | . 2 ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥} ⊆ ∩ {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥}) |
| 7 | sstr 3944 | . . . 4 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ ℋ) → 𝐴 ⊆ ℋ) | |
| 8 | 7 | ancoms 458 | . . 3 ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → 𝐴 ⊆ ℋ) |
| 9 | spanval 31427 | . . 3 ⊢ (𝐴 ⊆ ℋ → (span‘𝐴) = ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥}) | |
| 10 | 8, 9 | syl 17 | . 2 ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → (span‘𝐴) = ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥}) |
| 11 | spanval 31427 | . . 3 ⊢ (𝐵 ⊆ ℋ → (span‘𝐵) = ∩ {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥}) | |
| 12 | 11 | adantr 480 | . 2 ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → (span‘𝐵) = ∩ {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥}) |
| 13 | 6, 10, 12 | 3sstr4d 3991 | 1 ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → (span‘𝐴) ⊆ (span‘𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 {crab 3401 ⊆ wss 3903 ∩ cint 4904 ‘cfv 6502 ℋchba 31013 Sℋ csh 31022 spancspn 31026 |
| 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-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-1cn 11098 ax-addcl 11100 ax-hilex 31093 ax-hfvadd 31094 ax-hv0cl 31097 ax-hfvmul 31099 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 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-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-lim 6332 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7821 df-2nd 7946 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-rdg 8353 df-map 8779 df-nn 12160 df-hlim 31066 df-sh 31301 df-ch 31315 df-span 31403 |
| This theorem is referenced by: spanssoc 31443 span0 31636 spanuni 31638 spansnpji 31672 shatomistici 32455 |
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