Theorem hbnae 2057

Description: All variables are effectively bound in a distinct variable specifier. Lemma L19 in [Megill] p. 446 (p. 14 of the preprint). (Contributed by NM, 13-May-1993.)

Assertion

Ref	Expression
hbnae

Proof of Theorem hbnae

Step	Hyp	Ref	Expression
1		hbae 2055	. 2
2	1	hbn 1895	1

Syntax hints:  -.wn 3  ->wi 4  A.wal 1393

This theorem is referenced by:  hbnaes  2059  eujustALT  2285  ax6e2nd  33331  ax6e2ndVD  33708  ax6e2ndeqVD  33709  ax6e2ndALT  33730  ax6e2ndeqALT  33731  bj-hbnaeb  34393

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  ax-7 1790  ax-10 1837  ax-11 1842  ax-12 1854  ax-13 1999

This theorem depends on definitions:  df-bi 185  df-an 371  df-ex 1613  df-nf 1617