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Theorem sh0 31811
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 31803 . . 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 2145   ⊆ wss 3899   × cxp 5649   “ cima 5654  ℂcc 11191   ℋchba 31514   +ℎ cva 31515   ·ℎ csm 31516  0ℎc0v 31519   Sℋ csh 31523
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2733  ax-sep 5249  ax-hilex 31594
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2740  df-cleq 2753  df-clel 2836  df-rab 3414  df-v 3453  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-br 5104  df-opab 5168  df-xp 5657  df-cnv 5659  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-sh 31802
This theorem is used by:  ch0  31823  hhssabloilem  31856  hhssnv  31859  oc0  31885  ocin  31891  shscli  31912  shsel1  31916  shintcli  31924  shunssi  31963  omlsii  31998  sh0le  32035  imaelshi  32653  shatomistici  32956
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