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Theorem ad5ant123 28950
Description: Deduction adding conjuncts to antecedent. (Contributed by Alan Sare, 17-Oct-2017.)
Hypothesis
Ref Expression
ad5ant123.1
Assertion
Ref Expression
ad5ant123

Proof of Theorem ad5ant123
StepHypRef Expression
1 ad5ant123.1 . . . . . . 7
213exp 1153 . . . . . 6
32a1i4 26566 . . . . 5
43a1i4 26566 . . . 4
54com45 86 . . 3
65imp 420 . 2
76imp41 578 1
Colors of variables: wff set class
Syntax hints:  ->wi 4  /\wa 360  /\w3a 937
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 179  df-an 362  df-3an 939
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