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Theorem 3jao 1289
Description: Disjunction of 3 antecedents. (Contributed by NM, 8-Apr-1994.)
Assertion
Ref Expression
3jao

Proof of Theorem 3jao
StepHypRef Expression
1 df-3or 974 . 2
2 jao 512 . . . 4
3 jao 512 . . . 4
42, 3syl6 33 . . 3
543imp 1190 . 2
61, 5syl5bi 217 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  \/wo 368  \/w3o 972  /\w3a 973
This theorem is referenced by:  3jaob  1290  3jaoi  1291  3jaod  1292
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 185  df-or 370  df-an 371  df-3or 974  df-3an 975
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