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| Mirrors > Home > HSE Home > Th. List > shex | Structured version Visualization version GIF version | ||
| Description: The set of subspaces of a Hilbert space exists (is a set). (Contributed by NM, 23-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shex | ⊢ Sℋ ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-hilex 31085 | . . 3 ⊢ ℋ ∈ V | |
| 2 | 1 | pwex 5317 | . 2 ⊢ 𝒫 ℋ ∈ V |
| 3 | shss 31296 | . . . 4 ⊢ (𝑥 ∈ Sℋ → 𝑥 ⊆ ℋ) | |
| 4 | velpw 4547 | . . . 4 ⊢ (𝑥 ∈ 𝒫 ℋ ↔ 𝑥 ⊆ ℋ) | |
| 5 | 3, 4 | sylibr 234 | . . 3 ⊢ (𝑥 ∈ Sℋ → 𝑥 ∈ 𝒫 ℋ) |
| 6 | 5 | ssriv 3926 | . 2 ⊢ Sℋ ⊆ 𝒫 ℋ |
| 7 | 2, 6 | ssexi 5259 | 1 ⊢ Sℋ ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 Vcvv 3430 ⊆ wss 3890 𝒫 cpw 4542 ℋchba 31005 Sℋ csh 31014 |
| 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-ext 2709 ax-sep 5231 ax-pow 5302 ax-hilex 31085 |
| 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-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-xp 5630 df-cnv 5632 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-sh 31293 |
| This theorem is referenced by: chex 31312 |
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