Theorem hbaes 1772

Description: Rule that applies hbae 1770 to antecedent. (Contributed by NM, 5-Aug-1993.)

Hypothesis

Ref	Expression
hbalequs.1	|- ( A. z A. x x = y -> ph )

Assertion

Ref	Expression
hbaes	|- ( A. x x = y -> ph )

Proof of Theorem hbaes

Step	Hyp	Ref	Expression
1		hbae 1770	. 2 |- ( A. x x = y -> A. z A. x x = y )
2		hbalequs.1	. 2 |- ( A. z A. x x = y -> ph )
3	1, 2	syl 14	1 |- ( A. x x = y -> ph )

Syntax hints:   -> wi 4   A.wal 1400

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587

This theorem depends on definitions:  df-bi 117

This theorem is referenced by: (None)