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Theorem exrot3 1744

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

**Assertion**
Ref	Expression
exrot3

**Proof of Theorem exrot3**
Step	Hyp	Ref	Expression
1		excom13 1743	. 2
2		excom 1741	. 2
3	1, 2	bitri 240	1

Colors of variables: wff setvar class

Syntax hints:

wb 176

wex 1541

This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8 ax-gen 1546 ax-5 1557 ax-7 1734

This theorem depends on definitions: df-bi 177 df-ex 1542

This theorem is referenced by: dfpw12 4301 insklem 4304 opabn0 4716 setconslem4 4734 setconslem6 4736 dmoprab 5574 rnoprab 5576 dmtxp 5802 dmpprod 5840