Theorem ad4ant14 514

Description: Deduction adding conjuncts to antecedent. (Contributed by Alan Sare, 17-Oct-2017.) (Proof shortened by Wolf Lammen, 14-Apr-2022.)

Hypothesis

Ref	Expression
ad4ant2.1	⊢ ((𝜑 ∧ 𝜓) → 𝜒)

Assertion

Ref	Expression
ad4ant14	⊢ ((((𝜑 ∧ 𝜃) ∧ 𝜏) ∧ 𝜓) → 𝜒)

Proof of Theorem ad4ant14

Step	Hyp	Ref	Expression
1		ad4ant2.1	. . 3 ⊢ ((𝜑 ∧ 𝜓) → 𝜒)
2	1	adantlr 477	. 2 ⊢ (((𝜑 ∧ 𝜃) ∧ 𝜓) → 𝜒)
3	2	adantlr 477	1 ⊢ ((((𝜑 ∧ 𝜃) ∧ 𝜏) ∧ 𝜓) → 𝜒)

Syntax hints:   → wi 4   ∧ wa 104

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This theorem is referenced by:  ad5ant15  521  ad5ant25  524  seqfeq4g  10900  prodmodclem2  12271  prodmodc  12272  zproddc  12273  fprod2d  12317  gcdsupex  12661  gcdsupcl  12662  grpinvalem  13619  gsumwsubmcl  13730  gsumwmhm  13732  subrngintm  14380  plyco  15673  gausslemma2dlem1f1o  15982