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Theorem adantrrr 319
Description: Deduction adding a conjunct to an antecedent.
Hypothesis
Ref Expression
adantr2.1 |- ((ph /\ (ps /\ ch)) -> th)
Assertion
Ref Expression
adantrrr |- ((ph /\ (ps /\ (ch /\ ta ))) -> th)

Proof of Theorem adantrrr
StepHypRef Expression
1 adantr2.1 . . . 4 |- ((ph /\ (ps /\ ch)) -> th)
21a1d 14 . . 3 |- ((ph /\ (ps /\ ch)) -> (ta -> th))
32exp32 294 . 2 |- (ph -> (ps -> (ch -> (ta -> th))))
43imp45 290 1 |- ((ph /\ (ps /\ (ch /\ ta ))) -> th)
Colors of variables: wff set class
Syntax hints:   -> wi 2   /\ wa 196
This theorem is referenced by:  zornlem6 3608
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
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