Theorem adantllr 473

Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)

Hypothesis

Ref	Expression
adantl2.1	⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃)

Assertion

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

Proof of Theorem adantllr

Step	Hyp	Ref	Expression
1		simpl 108	. 2 ⊢ ((𝜑 ∧ 𝜏) → 𝜑)
2		adantl2.1	. 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃)
3	1, 2	sylanl1 400	1 ⊢ ((((𝜑 ∧ 𝜏) ∧ 𝜓) ∧ 𝜒) → 𝜃)

Syntax hints:   → wi 4   ∧ wa 103

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107

This theorem is referenced by:  ad4ant13  505  ad4ant134  1199  r19.29an  2599  diffifi  6839  fimax2gtrilemstep  6845  cnegexlem3  8052  cnegex  8053  lemul12b  8732  climshftlemg  11199  prodeq2  11454  fprodmodd  11538  lcmdvds  11955  pw2dvdslemn  12039  tgcl  12464  metss  12894  ivthinclemlr  13015  ivthinclemur  13017