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| Mirrors > Home > HSE Home > Th. List > elspani | Structured version Visualization version GIF version | ||
| Description: Membership in the span of a subset of Hilbert space. (Contributed by NM, 2-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| elspan.1 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| elspani | ⊢ (𝐴 ⊆ ℋ → (𝐵 ∈ (span‘𝐴) ↔ ∀𝑥 ∈ Sℋ (𝐴 ⊆ 𝑥 → 𝐵 ∈ 𝑥))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | spanval 31320 | . . 3 ⊢ (𝐴 ⊆ ℋ → (span‘𝐴) = ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥}) | |
| 2 | 1 | eleq2d 2817 | . 2 ⊢ (𝐴 ⊆ ℋ → (𝐵 ∈ (span‘𝐴) ↔ 𝐵 ∈ ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥})) |
| 3 | elspan.1 | . . 3 ⊢ 𝐵 ∈ V | |
| 4 | 3 | elintrab 4910 | . 2 ⊢ (𝐵 ∈ ∩ {𝑥 ∈ Sℋ ∣ 𝐴 ⊆ 𝑥} ↔ ∀𝑥 ∈ Sℋ (𝐴 ⊆ 𝑥 → 𝐵 ∈ 𝑥)) |
| 5 | 2, 4 | bitrdi 287 | 1 ⊢ (𝐴 ⊆ ℋ → (𝐵 ∈ (span‘𝐴) ↔ ∀𝑥 ∈ Sℋ (𝐴 ⊆ 𝑥 → 𝐵 ∈ 𝑥))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∈ wcel 2111 ∀wral 3047 {crab 3395 Vcvv 3436 ⊆ wss 3897 ∩ cint 4897 ‘cfv 6487 ℋchba 30906 Sℋ csh 30915 spancspn 30919 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5219 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11068 ax-1cn 11070 ax-addcl 11072 ax-hilex 30986 ax-hfvadd 30987 ax-hv0cl 30990 ax-hfvmul 30992 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-int 4898 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-map 8758 df-nn 12132 df-hlim 30959 df-sh 31194 df-ch 31208 df-span 31296 |
| This theorem is referenced by: spanuni 31531 spansni 31544 |
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