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Theorem sylan9r 639
Description: Nested syllogism inference conjoining dissimilar antecedents. (Contributed by NM, 5-Aug-1993.)
Hypotheses
Ref Expression
sylan9r.1
sylan9r.2
Assertion
Ref Expression
sylan9r

Proof of Theorem sylan9r
StepHypRef Expression
1 sylan9r.1 . . 3
2 sylan9r.2 . . 3
31, 2syl9r 67 . 2
43imp 418 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wa 358
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 177  df-an 360
This theorem is referenced by:  sbequi  2059  opkth1g  4130  ncfinraise  4481  funun  5146
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