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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 3929 | . . . . . 6 ⊢ (𝐴 ⊆ 𝐵 → (𝐵 ⊆ 𝑥 → 𝐴 ⊆ 𝑥)) | |
| 2 | 1 | adantr 480 | . . . . 5 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝑥 ∈ Sℋ ) → (𝐵 ⊆ 𝑥 → 𝐴 ⊆ 𝑥)) |
| 3 | 2 | ss2rabdv 4016 | . . . 4 ⊢ (𝐴 ⊆ 𝐵 → {𝑥 ∈ Sℋ ∣ 𝐵 ⊆ 𝑥} ⊆ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥}) |
| 4 | intss 4912 | . . . 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 3931 | . . . 4 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ ℋ) → 𝐴 ⊆ ℋ) | |
| 8 | 7 | ancoms 458 | . . 3 ⊢ ((𝐵 ⊆ ℋ ∧ 𝐴 ⊆ 𝐵) → 𝐴 ⊆ ℋ) |
| 9 | spanval 31423 | . . 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 31423 | . . 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 3978 | 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 3390 ⊆ wss 3890 ∩ cint 4890 ‘cfv 6494 ℋchba 31009 Sℋ csh 31018 spancspn 31022 |
| 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 5213 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-cnex 11089 ax-1cn 11091 ax-addcl 11093 ax-hilex 31089 ax-hfvadd 31090 ax-hv0cl 31093 ax-hfvmul 31095 |
| 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 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5521 df-eprel 5526 df-po 5534 df-so 5535 df-fr 5579 df-we 5581 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-pred 6261 df-ord 6322 df-on 6323 df-lim 6324 df-suc 6325 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7813 df-2nd 7938 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-map 8770 df-nn 12170 df-hlim 31062 df-sh 31297 df-ch 31311 df-span 31399 |
| This theorem is referenced by: spanssoc 31439 span0 31632 spanuni 31634 spansnpji 31668 shatomistici 32451 |
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