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Theorem 3ad2antr1 1080
Description: Deduction adding a conjuncts to antecedent. (Contributed by NM, 25-Dec-2007.)
Hypothesis
Ref Expression
3ad2antl.1 ((𝜑𝜒) → 𝜃)
Assertion
Ref Expression
3ad2antr1 ((𝜑 ∧ (𝜒𝜓𝜏)) → 𝜃)

Proof of Theorem 3ad2antr1
StepHypRef Expression
1 3ad2antl.1 . . 3 ((𝜑𝜒) → 𝜃)
21adantrr 456 . 2 ((𝜑 ∧ (𝜒𝜓)) → 𝜃)
323adantr3 1076 1 ((𝜑 ∧ (𝜒𝜓𝜏)) → 𝜃)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 101  w3a 896
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 103  ax-ia2 104  ax-ia3 105
This theorem depends on definitions:  df-bi 114  df-3an 898
This theorem is referenced by:  ispod  4068  poxp  5880  fzosubel2  9152
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