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Theorem shss 31499
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 31497 . . 3 (𝐻S ↔ ((𝐻 ⊆ ℋ ∧ 0𝐻) ∧ (( + “ (𝐻 × 𝐻)) ⊆ 𝐻 ∧ ( · “ (ℂ × 𝐻)) ⊆ 𝐻)))
21simplbi 501 . 2 (𝐻S → (𝐻 ⊆ ℋ ∧ 0𝐻))
32simpld 499 1 (𝐻S𝐻 ⊆ ℋ)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 400  wcel 2149  wss 3913   × cxp 5657  cima 5662  cc 11094  chba 31208   + cva 31209   · csm 31210  0c0v 31213   S csh 31217
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-ext 2741  ax-sep 5258  ax-hilex 31288
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-sb 2098  df-clab 2748  df-cleq 2761  df-clel 2844  df-rab 3424  df-v 3465  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-nul 4295  df-if 4490  df-pw 4566  df-sn 4592  df-pr 4594  df-op 4598  df-br 5111  df-opab 5175  df-xp 5665  df-cnv 5667  df-dm 5669  df-rn 5670  df-res 5671  df-ima 5672  df-sh 31496
This theorem is referenced by:  shel  31500  shex  31501  shssii  31502  shsubcl  31509  chss  31518  shsspwh  31535  hhsssh  31558  shocel  31571  shocsh  31573  ocss  31574  shocss  31575  shocorth  31581  shococss  31583  shorth  31584  shoccl  31594  shsel  31603  shintcli  31618  spanid  31636  shjval  31640  shjcl  31645  shlej1  31649  shlub  31703  chscllem2  31927  chscllem4  31929
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