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def definition def or abbrev

two_pow_neg22_interval

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formal statement (Lean)

 201def two_pow_neg22_interval : Interval where
 202  lo := 238 / 1000000000  -- 2.38e-7

proof body

Definition body.

 203  hi := 239 / 1000000000  -- 2.39e-7
 204  valid := by norm_num
 205
 206/-- 2^(-22) is in the interval - PROVEN -/

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