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Theorem 3pm3.2i 603
Description: Infer conjunction of premises.
Hypotheses
Ref Expression
3pm3.2i.1 |- ph
3pm3.2i.2 |- ps
3pm3.2i.3 |- ch
Assertion
Ref Expression
3pm3.2i |- (ph /\ ps /\ ch)

Proof of Theorem 3pm3.2i
StepHypRef Expression
1 3pm3.2i.1 . . . 4 |- ph
2 3pm3.2i.2 . . . 4 |- ps
31, 2pm3.2i 234 . . 3 |- (ph /\ ps)
4 3pm3.2i.3 . . 3 |- ch
53, 4pm3.2i 234 . 2 |- ((ph /\ ps) /\ ch)
6 df-3an 583 . 2 |- ((ph /\ ps /\ ch) <-> ((ph /\ ps) /\ ch))
75, 6mpbir 165 1 |- (ph /\ ps /\ ch)
Colors of variables: wff set class
Syntax hints:   /\ wa 196   /\ w3a 581
This theorem is referenced by:  3jaoi 633  limon 2342  trcl 3489  mul0or 4210  divassz 4241  divdivdiv 4269  divdiv23z 4273  lemul2 4396  sqrlem6 4736  sqrlem20 4750  ruclem33 4917  projlem8 5200
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6
This theorem depends on definitions:  df-bi 128  df-an 198  df-3an 583
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