Theorem 3adant3l 1181

Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 8-Jan-2006.) (Proof shortened by Wolf Lammen, 25-Jun-2022.)

Hypothesis

Ref	Expression
ad4ant3.1	⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)

Assertion

Ref	Expression
3adant3l	⊢ ((𝜑 ∧ 𝜓 ∧ (𝜏 ∧ 𝜒)) → 𝜃)

Proof of Theorem 3adant3l

Step	Hyp	Ref	Expression
1		simpr 484	. 2 ⊢ ((𝜏 ∧ 𝜒) → 𝜒)
2		ad4ant3.1	. 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)
3	1, 2	syl3an3 1165	1 ⊢ ((𝜑 ∧ 𝜓 ∧ (𝜏 ∧ 𝜒)) → 𝜃)

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1086

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 207  df-an 396  df-3an 1088

This theorem is referenced by:  ecopovtrn  8744  rrxmet  25333  nvaddsub4  30632  adjlnop  32061  pl1cn  33963  rrnmet  37868  lflsub  39105  lflmul  39106  cvlatexch3  39376  cdleme5  40278  cdlemeg46rjgN  40560  cdlemg2l  40641  cdlemg10c  40677  tendospcanN  41061  dicvaddcl  41228  dicvscacl  41229  dochexmidlem8  41505  limsupre3lem  45769  fourierdlem42  46186  fourierdlem113  46256  ovnsupge0  46594  ovncvrrp  46601  ovnhoilem2  46639