Theorem 3ad2antr1 1165

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 1161	1 ⊢ ((𝜑 ∧ (𝜒 ∧ 𝜓 ∧ 𝜏)) → 𝜃)

Syntax hints:   → wi 4   ∧ wa 104   ∧ w3a 981

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 983

This theorem is referenced by:  ispod  4369  poxp  6341  fzosubel2  10361  hashdifpr  11002  pfxccat3a  11229  grpsubadd  13535  mulgnnass  13608  mulgnn0ass  13609  issubg2m  13640  srgdilem  13846  lsssn0  14247  dvconst  15281  dvconstre  15283