Theorem pm5.32dra 48673

Description: Reverse distribution of implication over biconditional (deduction form). (Contributed by Zhi Wang, 6-Sep-2024.)

Hypothesis

Ref	Expression
pm5.32dra.1	⊢ (𝜑 → ((𝜓 ∧ 𝜒) ↔ (𝜓 ∧ 𝜃)))

Assertion

Ref	Expression
pm5.32dra	⊢ ((𝜑 ∧ 𝜓) → (𝜒 ↔ 𝜃))

Proof of Theorem pm5.32dra

Step	Hyp	Ref	Expression
1		pm5.32dra.1	. . 3 ⊢ (𝜑 → ((𝜓 ∧ 𝜒) ↔ (𝜓 ∧ 𝜃)))
2		pm5.32 573	. . 3 ⊢ ((𝜓 → (𝜒 ↔ 𝜃)) ↔ ((𝜓 ∧ 𝜒) ↔ (𝜓 ∧ 𝜃)))
3	1, 2	sylibr 234	. 2 ⊢ (𝜑 → (𝜓 → (𝜒 ↔ 𝜃)))
4	3	imp 406	1 ⊢ ((𝜑 ∧ 𝜓) → (𝜒 ↔ 𝜃))

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:  clddisj  48761