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Theorem chle0 31832
Description: No Hilbert lattice element is smaller than zero. (Contributed by NM, 14-Aug-2002.) (New usage is discouraged.)
Assertion
Ref Expression
chle0 (𝐴C → (𝐴 ⊆ 0𝐴 = 0))

Proof of Theorem chle0
StepHypRef Expression
1 chsh 31613 . 2 (𝐴C𝐴S )
2 shle0 31831 . 2 (𝐴S → (𝐴 ⊆ 0𝐴 = 0))
31, 2syl 18 1 (𝐴C → (𝐴 ⊆ 0𝐴 = 0))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wb 209   = wceq 1570  wcel 2146  wss 3908   S csh 31317   C cch 31318  0c0h 31324
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 2148  ax-9 2156  ax-ext 2738  ax-sep 5262  ax-hilex 31388
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 2745  df-cleq 2758  df-clel 2841  df-rab 3420  df-v 3460  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-br 5115  df-opab 5179  df-xp 5672  df-cnv 5674  df-dm 5676  df-rn 5677  df-res 5678  df-ima 5679  df-iota 6499  df-fv 6551  df-ov 7426  df-sh 31596  df-ch 31610  df-ch0 31642
This theorem is used by:  chle0i  31841  chssoc  31885  hatomistici  32751  atcvat4i  32786
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