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Theorem ad5ant123 1366
Description: Deduction adding conjuncts to antecedent. (Contributed by Alan Sare, 17-Oct-2017.) (Proof shortened by Wolf Lammen, 23-Jun-2022.)
Hypothesis
Ref Expression
ad5ant.1 ((𝜑𝜓𝜒) → 𝜃)
Assertion
Ref Expression
ad5ant123 (((((𝜑𝜓) ∧ 𝜒) ∧ 𝜏) ∧ 𝜂) → 𝜃)

Proof of Theorem ad5ant123
StepHypRef Expression
1 ad5ant.1 . . 3 ((𝜑𝜓𝜒) → 𝜃)
213expa 1120 . 2 (((𝜑𝜓) ∧ 𝜒) → 𝜃)
32ad2antrr 726 1 (((((𝜑𝜓) ∧ 𝜒) ∧ 𝜏) ∧ 𝜂) → 𝜃)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  w3a 1089
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 210  df-an 400  df-3an 1091
This theorem is referenced by:  zarclsint  31536
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