Theorem sylanblrc 413

Description: Syllogism inference combined with a biconditional. (Contributed by BJ, 25-Apr-2019.)

Hypotheses

Ref	Expression
sylanblrc.1	⊢ (𝜑 → 𝜓)
sylanblrc.2	⊢ 𝜒
sylanblrc.3	⊢ (𝜃 ↔ (𝜓 ∧ 𝜒))

Assertion

Ref	Expression
sylanblrc	⊢ (𝜑 → 𝜃)

Proof of Theorem sylanblrc

Step	Hyp	Ref	Expression
1		sylanblrc.1	. 2 ⊢ (𝜑 → 𝜓)
2		sylanblrc.2	. 2 ⊢ 𝜒
3		sylanblrc.3	. . 3 ⊢ (𝜃 ↔ (𝜓 ∧ 𝜒))
4	3	biimpri 132	. 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜃)
5	1, 2, 4	sylancl 410	1 ⊢ (𝜑 → 𝜃)

Syntax hints:   → wi 4   ∧ wa 103   ↔ wb 104

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

This theorem depends on definitions:  df-bi 116

This theorem is referenced by:  cosmul  11686  ismgmid  12608  cdivcncfap  13227  dvrecap  13317