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Theorem ad5ant123 28493
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 1152 . . . . . 6
32a1i4 26290 . . . . 5
43a1i4 26290 . . . 4
54com45 85 . . 3
65imp 419 . 2
76imp41 577 1
Colors of variables: wff set class
Syntax hints:  ->wi 4  /\wa 359  /\w3a 936
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8
This theorem depends on definitions:  df-bi 178  df-an 361  df-3an 938
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