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| Mirrors > Home > HSE Home > Th. List > shss | Structured version Visualization version GIF version | ||
| Description: A subspace is a subset of Hilbert space. (Contributed by NM, 9-Oct-1999.) (Revised by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shss | ⊢ (𝐻 ∈ Sℋ → 𝐻 ⊆ ℋ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | issh 31297 | . . 3 ⊢ (𝐻 ∈ Sℋ ↔ ((𝐻 ⊆ ℋ ∧ 0ℎ ∈ 𝐻) ∧ (( +ℎ “ (𝐻 × 𝐻)) ⊆ 𝐻 ∧ ( ·ℎ “ (ℂ × 𝐻)) ⊆ 𝐻))) | |
| 2 | 1 | simplbi 497 | . 2 ⊢ (𝐻 ∈ Sℋ → (𝐻 ⊆ ℋ ∧ 0ℎ ∈ 𝐻)) |
| 3 | 2 | simpld 495 | 1 ⊢ (𝐻 ∈ Sℋ → 𝐻 ⊆ ℋ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2119 ⊆ wss 3883 × cxp 5616 “ cima 5621 ℂcc 11027 ℋchba 31008 +ℎ cva 31009 ·ℎ csm 31010 0ℎc0v 31013 Sℋ csh 31017 |
| 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-ext 2711 ax-sep 5218 ax-hilex 31088 |
| 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-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-br 5073 df-opab 5135 df-xp 5624 df-cnv 5626 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-sh 31296 |
| This theorem is referenced by: shel 31300 shex 31301 shssii 31302 shsubcl 31309 chss 31318 shsspwh 31335 hhsssh 31358 shocel 31371 shocsh 31373 ocss 31374 shocss 31375 shocorth 31381 shococss 31383 shorth 31384 shoccl 31394 shsel 31403 shintcli 31418 spanid 31436 shjval 31440 shjcl 31445 shlej1 31449 shlub 31503 chscllem2 31727 chscllem4 31729 |
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