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Theorem a2d 23
Description: Deduction distributing an embedded antecedent. (Contributed by NM, 23-Jun-1994.)
Hypothesis
Ref Expression
a2d.1
Assertion
Ref Expression
a2d

Proof of Theorem a2d
StepHypRef Expression
1 a2d.1 . 2
2 ax-2 7 . 2
31, 2syl 15 1
Colors of variables: wff setvar class
Syntax hints:   wi 4
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7
This theorem is referenced by:  mpdd  36  imim2d  48  imim3i  55  loowoz  96  ralimdaa  2691  reuss2  3535  ltfintri  4466  spfinsfincl  4539  spfininduct  4540  funfvima2  5460  clos1conn  5879  leconnnc  6218  nchoicelem17  6305
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