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Theorem sh0 31825
Description: The zero vector belongs to any subspace of a Hilbert space. (Contributed by NM, 11-Oct-1999.) (Revised by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.)
Assertion
Ref Expression
sh0 (𝐻 ∈ Sℋ → 0ℎ ∈ 𝐻)

Proof of Theorem sh0
StepHypRef Expression
1 issh 31817 . . 3 (𝐻 ∈ Sℋ ↔ ((𝐻 ⊆ ℋ ∧ 0ℎ ∈ 𝐻) ∧ (( +ℎ “ (𝐻 × 𝐻)) ⊆ 𝐻 ∧ ( ·ℎ “ (ℂ × 𝐻)) ⊆ 𝐻)))
21simplbi 502 . 2 (𝐻 ∈ Sℋ → (𝐻 ⊆ ℋ ∧ 0ℎ ∈ 𝐻))
32simprd 501 1 (𝐻 ∈ Sℋ → 0ℎ ∈ 𝐻)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∈ wcel 2144   ⊆ wss 3896   × cxp 5648   “ cima 5653  ℂcc 11203   ℋchba 31528   +ℎ cva 31529   ·ℎ csm 31530  0ℎc0v 31533   Sℋ csh 31537
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732  ax-sep 5248  ax-hilex 31608
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-rab 3413  df-v 3452  df-ss 3897  df-dif 4046  df-in 4090  df-un 4150  df-nul 4278  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-br 5103  df-opab 5167  df-xp 5656  df-cnv 5658  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-sh 31816
This theorem is used by:  ch0  31837  hhssabloilem  31870  hhssnv  31873  oc0  31899  ocin  31905  shscli  31926  shsel1  31930  shintcli  31938  shunssi  31977  omlsii  32012  sh0le  32049  imaelshi  32667  shatomistici  32970
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