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Theorem nsyl4 142
Description: A negated syllogism inference. (Contributed by NM, 15-Feb-1996.)
Hypotheses
Ref Expression
nsyl4.1
nsyl4.2
Assertion
Ref Expression
nsyl4

Proof of Theorem nsyl4
StepHypRef Expression
1 nsyl4.2 . . 3
21con1i 129 . 2
3 nsyl4.1 . 2
42, 3syl 16 1
Colors of variables: wff setvar class
Syntax hints:  -.wn 3  ->wi 4
This theorem is referenced by:  pm5.55  897  axc7  1861  ax10  2226  axc5c711  2248  axc5c711to11  2251  naecoms-o  2257  moanim  2350  moexex  2363  nfunsn  5902  card2on  8001  carden2a  8368  wwlknfi  24738  axc5c4c711  31308  axc5c4c711to11  31312  afvco2  32261  mptrcl  32555  bj-naecomsv  34318
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
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