Theorem 3ad2antr1 1189

Description: Deduction adding a conjuncts to antecedent. (Contributed by NM, 25-Dec-2007.)

Hypothesis

Ref	Expression
3ad2antl.1	⊢ ((𝜑 ∧ 𝜒) → 𝜃)

Assertion

Ref	Expression
3ad2antr1	⊢ ((𝜑 ∧ (𝜒 ∧ 𝜓 ∧ 𝜏)) → 𝜃)

Proof of Theorem 3ad2antr1

Step	Hyp	Ref	Expression
1		3ad2antl.1	. . 3 ⊢ ((𝜑 ∧ 𝜒) → 𝜃)
2	1	adantrr 479	. 2 ⊢ ((𝜑 ∧ (𝜒 ∧ 𝜓)) → 𝜃)
3	2	3adantr3 1185	1 ⊢ ((𝜑 ∧ (𝜒 ∧ 𝜓 ∧ 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:  ispod  4407  poxp  6406  fzosubel2  10503  hashdifpr  11147  pfxccat3a  11385  grpsubadd  13751  mulgnnass  13824  mulgnn0ass  13825  issubg2m  13856  srgdilem  14063  lsssn0  14466  dvconst  15505  dvconstre  15507  isclwwlk  16335  clwwlkccatlem  16341  clwwlkccat  16342