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theorem proved term proof

temperature_can_explain

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formal statement (Lean)

 109theorem temperature_can_explain :
 110    temperature_coefficient * annual_temp_variation > 0.05 := by

proof body

Term-mode proof.

 111  unfold temperature_coefficient annual_temp_variation
 112  norm_num
 113
 114/-- **THEOREM EA-005.6**: Radon background has annual variation.
 115    Underground labs see seasonal radon fluctuations. -/

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