Theorem bj-bisimpl 36774

Description: Implication from equivalence with a conjunct. Its associated inference is simplbi 496. (Contributed by BJ, 20-Mar-2026.)

Assertion

Ref	Expression
bj-bisimpl	⊢ ((𝜑 ↔ (𝜓 ∧ 𝜒)) → (𝜑 → 𝜓))

Proof of Theorem bj-bisimpl

Step	Hyp	Ref	Expression
1		biimp 215	. 2 ⊢ ((𝜑 ↔ (𝜓 ∧ 𝜒)) → (𝜑 → (𝜓 ∧ 𝜒)))
2		simpl 482	. 2 ⊢ ((𝜓 ∧ 𝜒) → 𝜓)
3	1, 2	syl6 35	1 ⊢ ((𝜑 ↔ (𝜓 ∧ 𝜒)) → (𝜑 → 𝜓))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8

This theorem depends on definitions:  df-bi 207  df-an 396

This theorem is referenced by:  bj-axreprepsep  37314