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Theorem chm0i 31879
Description: Meet with Hilbert lattice zero. (Contributed by NM, 6-Aug-2004.) (New usage is discouraged.)
Hypothesis
Ref Expression
ch0le.1 𝐴C
Assertion
Ref Expression
chm0i (𝐴 ∩ 0) = 0

Proof of Theorem chm0i
StepHypRef Expression
1 inss2 4193 . 2 (𝐴 ∩ 0) ⊆ 0
2 ch0le.1 . . . 4 𝐴C
32ch0lei 31840 . . 3 0𝐴
4 ssid 3962 . . 3 0 ⊆ 0
53, 4ssini 4195 . 2 0 ⊆ (𝐴 ∩ 0)
61, 5eqssi 3956 1 (𝐴 ∩ 0) = 0
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570  wcel 2146  cin 3907   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:  chm0  31880
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