Theorem 3adant3r 1262

Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 8-Jan-2006.)

Hypothesis

Ref	Expression
3adant1l.1	⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)

Assertion

Ref	Expression
3adant3r	⊢ ((𝜑 ∧ 𝜓 ∧ (𝜒 ∧ 𝜏)) → 𝜃)

Proof of Theorem 3adant3r

Step	Hyp	Ref	Expression
1		3adant1l.1	. . . 4 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)
2	1	3com13 1235	. . 3 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜑) → 𝜃)
3	2	3adant1r 1258	. 2 ⊢ (((𝜒 ∧ 𝜏) ∧ 𝜓 ∧ 𝜑) → 𝜃)
4	3	3com13 1235	1 ⊢ ((𝜑 ∧ 𝜓 ∧ (𝜒 ∧ 𝜏)) → 𝜃)

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 1005

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 depends on definitions:  df-bi 117  df-3an 1007

This theorem is referenced by:  addassnqg  7693  mulassnqg  7695  prarloc  7814  ltpopr  7906  ltexprlemfl  7920  ltexprlemfu  7922  addasssrg  8067  axaddass  8183  apmul1  9058  ltmul2  9126  lemul2  9127  dvdscmulr  12499  dvdsmulcr  12500  modremain  12608  ndvdsadd  12610  rpexp12i  12845  xblcntrps  15265  xblcntr  15266