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theorem proved term proof

corePairAmplitude_pos

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formal statement (Lean)

 146theorem corePairAmplitude_pos {siteCount : ℕ} (op : CoreNSOperator siteCount)
 147    (i : Fin siteCount) : 0 < corePairAmplitude op i :=

proof body

Term-mode proof.

 148  op.normalized_omega_pos i
 149
 150/-- Pair stretch factor derived from the core: local strain ratio 1 + dt·|∇u|. -/

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