Theorem hbaes 1730

Description: Rule that applies hbae 1728 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 1728	. 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 1361

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 710  ax-5 1457  ax-7 1458  ax-gen 1459  ax-ie2 1504  ax-8 1514  ax-10 1515  ax-11 1516  ax-i12 1517  ax-4 1520  ax-17 1536  ax-i9 1540  ax-ial 1544

This theorem depends on definitions:  df-bi 117

This theorem is referenced by: (None)