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Theorem 3jaodan 1294
 Description: Disjunction of 3 antecedents (deduction). (Contributed by NM, 14-Oct-2005.)
Hypotheses
Ref Expression
3jaodan.1
3jaodan.2
3jaodan.3
Assertion
Ref Expression
3jaodan

Proof of Theorem 3jaodan
StepHypRef Expression
1 3jaodan.1 . . . 4
21ex 434 . . 3
3 3jaodan.2 . . . 4
43ex 434 . . 3
5 3jaodan.3 . . . 4
65ex 434 . . 3
72, 4, 63jaod 1292 . 2
87imp 429 1
 Colors of variables: wff setvar class Syntax hints:   wi 4   wa 369   w3o 972 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 This theorem is referenced by:  onzsl  6680  zeo  10969  xrltnsym  11368  xrlttri  11370  xrlttr  11371  qbtwnxr  11424  xltnegi  11440  xaddcom  11462  xnegdi  11465  xsubge0  11478  xrub  11528  blssioo  21425  ismbf2d  22173  itg2seq  22274  eliccioo  27779  3ccased  29271  lineelsb2  29960  bpoly3  29982
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