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Theorem chm0i 28219
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 3817 . 2 (𝐴 ∩ 0) ⊆ 0
2 ch0le.1 . . . 4 𝐴C
32ch0lei 28180 . . 3 0𝐴
4 ssid 3608 . . 3 0 ⊆ 0
53, 4ssini 3819 . 2 0 ⊆ (𝐴 ∩ 0)
61, 5eqssi 3603 1 (𝐴 ∩ 0) = 0
Colors of variables: wff setvar class
Syntax hints:   = wceq 1480  wcel 1987  cin 3558   C cch 27656  0c0h 27662
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-sep 4746  ax-hilex 27726
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1878  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-rex 2913  df-rab 2916  df-v 3191  df-dif 3562  df-un 3564  df-in 3566  df-ss 3573  df-nul 3897  df-if 4064  df-pw 4137  df-sn 4154  df-pr 4156  df-op 4160  df-uni 4408  df-br 4619  df-opab 4679  df-xp 5085  df-cnv 5087  df-dm 5089  df-rn 5090  df-res 5091  df-ima 5092  df-iota 5815  df-fv 5860  df-ov 6613  df-sh 27934  df-ch 27948  df-ch0 27980
This theorem is referenced by:  chm0  28220
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