Theorem exdistr2 1779

Description: Distribution of existential quantifiers. (Contributed by NM, 17-Mar-1995.)

Assertion

Ref	Expression
exdistr2

Distinct variable groups:   ,   ,

Proof of Theorem exdistr2

Step	Hyp	Ref	Expression
1		19.42vv 1777	. 2
2	1	exbii 1667	1

Syntax hints:  <->wb 184  /\wa 369  E.wex 1612

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747

This theorem depends on definitions:  df-bi 185  df-an 371  df-ex 1613