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Theorem vtocle 2928
Description: Implicit substitution of a class for a setvar variable. (Contributed by NM, 9-Sep-1993.)
Hypotheses
Ref Expression
vtocle.1
vtocle.2
Assertion
Ref Expression
vtocle
Distinct variable groups:   ,   ,

Proof of Theorem vtocle
StepHypRef Expression
1 vtocle.1 . 2
2 vtocle.2 . . 3
32vtocleg 2925 . 2
41, 3ax-mp 5 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wceq 1642   wcel 1710  cvv 2859
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-11 1746  ax-ext 2334
This theorem depends on definitions:  df-bi 177  df-an 360  df-ex 1542  df-sb 1649  df-clab 2340  df-cleq 2346  df-clel 2349  df-v 2861
This theorem is referenced by: (None)
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