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Theorem hbsb2e 1685
Description: Special case of a bound-variable hypothesis builder for substitution. (Contributed by NM, 2-Feb-2007.)
Assertion
Ref Expression
hbsb2e

Proof of Theorem hbsb2e
StepHypRef Expression
1 sb4e 1683 . 2
2 sb2 1647 . . 3
32a5i 1432 . 2
41, 3syl 14 1
Colors of variables: wff set class
Syntax hints:   wi 4  wal 1240  wex 1378  wsb 1642
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-5 1333  ax-gen 1335  ax-ie1 1379  ax-ie2 1380  ax-11 1394  ax-4 1397  ax-i9 1420  ax-ial 1424
This theorem depends on definitions:  df-bi 110  df-sb 1643
This theorem is referenced by: (None)
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