Theorem ancrd 320

Description: Deduction conjoining antecedent to right of consequent in nested implication. (Contributed by NM, 15-Aug-1994.) (Proof shortened by Wolf Lammen, 1-Nov-2012.)

Hypothesis

Ref	Expression
ancrd.1	⊢ (𝜑 → (𝜓 → 𝜒))

Assertion

Ref	Expression
ancrd	⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜓)))

Proof of Theorem ancrd

Step	Hyp	Ref	Expression
1		ancrd.1	. 2 ⊢ (𝜑 → (𝜓 → 𝜒))
2		idd 21	. 2 ⊢ (𝜑 → (𝜓 → 𝜓))
3	1, 2	jcad 302	1 ⊢ (𝜑 → (𝜓 → (𝜒 ∧ 𝜓)))

Syntax hints:   → wi 4   ∧ wa 103

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

This theorem is referenced by:  impac  374  euan  2005  reupick  3284  prel12  3621  ssrnres  4886  funmo  5043  funssres  5069  dffo4  5461  dffo5  5462  fzospliti  9648  rexuz3  10484  qredeq  11417  prmdvdsfz  11459