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Theorem intv 4143
Description: The intersection of the universal class is empty. (Contributed by NM, 11-Sep-2008.)
Assertion
Ref Expression
intv  |-  |^| _V  =  (/)

Proof of Theorem intv
StepHypRef Expression
1 0ex 4103 . 2  |-  (/)  e.  _V
2 int0el 3848 . 2  |-  ( (/)  e.  _V  ->  |^| _V  =  (/) )
31, 2ax-mp 5 1  |-  |^| _V  =  (/)
Colors of variables: wff set class
Syntax hints:    = wceq 1342    e. wcel 2135   _Vcvv 2721   (/)c0 3404   |^|cint 3818
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1434  ax-7 1435  ax-gen 1436  ax-ie1 1480  ax-ie2 1481  ax-8 1491  ax-10 1492  ax-11 1493  ax-i12 1494  ax-bndl 1496  ax-4 1497  ax-17 1513  ax-i9 1517  ax-ial 1521  ax-i5r 1522  ax-ext 2146  ax-nul 4102
This theorem depends on definitions:  df-bi 116  df-tru 1345  df-nf 1448  df-sb 1750  df-clab 2151  df-cleq 2157  df-clel 2160  df-nfc 2295  df-v 2723  df-dif 3113  df-in 3117  df-ss 3124  df-nul 3405  df-int 3819
This theorem is referenced by: (None)
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