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Theorem ch0le 32048
Description: The zero subspace is the smallest member of Cℋ. (Contributed by NM, 14-Aug-2002.) (New usage is discouraged.)
Assertion
Ref Expression
ch0le (𝐴 ∈ Cℋ → 0ℋ ⊆ 𝐴)

Proof of Theorem ch0le
StepHypRef Expression
1 chsh 31831 . 2 (𝐴 ∈ Cℋ → 𝐴 ∈ Sℋ )
2 sh0le 32047 . 2 (𝐴 ∈ Sℋ → 0ℋ ⊆ 𝐴)
31, 2syl 18 1 (𝐴 ∈ Cℋ → 0ℋ ⊆ 𝐴)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∈ wcel 2144   ⊆ wss 3895   Sℋ csh 31535   Cℋ cch 31536  0ℋc0h 31542
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 31606
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 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  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-iota 6494  df-fv 6546  df-ov 7423  df-sh 31814  df-ch 31828  df-ch0 31860
This theorem is used by:  chnlen0  32051  ch0pss  32052  ch0lei  32058  chssoc  32103  atcveq0  32955
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