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def definition def or abbrev

linkingNumber

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formal statement (Lean)

 109def linkingNumber (D : ℕ) : ℤ :=

proof body

Definition body.

 110  if D = 3 then 1 else 0
 111
 112/-- **HYPOTHESIS**: Irreducible topological linking requires exactly three spatial dimensions.
 113
 114    STATUS: SCAFFOLD — Connects linking invariants to dimensions.
 115    TODO: Prove that linking number is only invariant in D=3 for 1-spheres.
 116    FALSIFIER: Discovery of a non-trivial linking invariant for 1-spheres in D ≠ 3. -/

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