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lemma proved term proof

path_weight_pos

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formal statement (Lean)

 148lemma path_weight_pos (path : List Config) : 0 < PathWeight path :=

proof body

Term-mode proof.

 149  Real.exp_pos _
 150
 151/-- **BORN RULE EMERGENCE**: The probability of a path is proportional to its weight.
 152
 153    P[γ] = W[γ] / Σ_γ' W[γ']
 154
 155    This is not postulated—it emerges from the cost structure. -/

used by (4)

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depends on (23)

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