Theorem anim12dan 568

Description: Conjoin antecedents and consequents in a deduction. (Contributed by Mario Carneiro, 12-May-2014.)

Hypotheses

Ref	Expression
anim12dan.1	⊢ ((𝜑 ∧ 𝜓) → 𝜒)
anim12dan.2	⊢ ((𝜑 ∧ 𝜃) → 𝜏)

Assertion

Ref	Expression
anim12dan	⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏))

Proof of Theorem anim12dan

Step	Hyp	Ref	Expression
1		anim12dan.1	. . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝜒)
2	1	ex 114	. . 3 ⊢ (𝜑 → (𝜓 → 𝜒))
3		anim12dan.2	. . . 4 ⊢ ((𝜑 ∧ 𝜃) → 𝜏)
4	3	ex 114	. . 3 ⊢ (𝜑 → (𝜃 → 𝜏))
5	2, 4	anim12d 329	. 2 ⊢ (𝜑 → ((𝜓 ∧ 𝜃) → (𝜒 ∧ 𝜏)))
6	5	imp 123	1 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏))

Syntax hints:   → wi 4   ∧ wa 103

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

This theorem depends on definitions:  df-bi 116

This theorem is referenced by:  xpexr2m  4906  isocnv  5628  f1oiso  5643  f1oiso2  5644  f1o2ndf1  6031  xpf1o  6640  tgclb  11933  innei  12031