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Theorem shss 31191
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.)
Assertion
Ref Expression
shss (𝐻S𝐻 ⊆ ℋ)

Proof of Theorem shss
StepHypRef Expression
1 issh 31189 . . 3 (𝐻S ↔ ((𝐻 ⊆ ℋ ∧ 0𝐻) ∧ (( + “ (𝐻 × 𝐻)) ⊆ 𝐻 ∧ ( · “ (ℂ × 𝐻)) ⊆ 𝐻)))
21simplbi 497 . 2 (𝐻S → (𝐻 ⊆ ℋ ∧ 0𝐻))
32simpld 494 1 (𝐻S𝐻 ⊆ ℋ)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2108  wss 3926   × cxp 5652  cima 5657  cc 11127  chba 30900   + cva 30901   · csm 30902  0c0v 30905   S csh 30909
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-ext 2707  ax-sep 5266  ax-hilex 30980
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2065  df-clab 2714  df-cleq 2727  df-clel 2809  df-rab 3416  df-v 3461  df-dif 3929  df-un 3931  df-in 3933  df-ss 3943  df-nul 4309  df-if 4501  df-pw 4577  df-sn 4602  df-pr 4604  df-op 4608  df-br 5120  df-opab 5182  df-xp 5660  df-cnv 5662  df-dm 5664  df-rn 5665  df-res 5666  df-ima 5667  df-sh 31188
This theorem is referenced by:  shel  31192  shex  31193  shssii  31194  shsubcl  31201  chss  31210  shsspwh  31227  hhsssh  31250  shocel  31263  shocsh  31265  ocss  31266  shocss  31267  shocorth  31273  shococss  31275  shorth  31276  shoccl  31286  shsel  31295  shintcli  31310  spanid  31328  shjval  31332  shjcl  31337  shlej1  31341  shlub  31395  chscllem2  31619  chscllem4  31621
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