Joint purchase does not prove coercion or an illegal tie

Evidence

Establishing that buyers purchase products A and B from the seller does not establish that the seller ties the sale of product A to the purchase of product B. It merely establishes that buyers purchase products A and B from the seller. — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 1179

Categorization

• XREF: Connects to the distinction between correlation and causation drawn throughout evidence and antitrust doctrine. — connects to: Geographic separation does not prove noninfringing status under patent law — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 860; Legal obligation differs from mere coercion by threat of force — Ronald M. Dworkin, The Model of Rules, 40
• corroborated: 2 independent passages support this claim — Ruggero J. Aldisert, Agatha D. Aldisert, Logic for Lawyers- A Guide to Clear…, 1179

Broader Connections

• Legal obligation differs from mere coercion by threat of force #complicates (0.35) — Ronald M. Dworkin, The Model of Rules, 40