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def definition def or abbrev

prevClosure

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formal statement (Lean)

 126def prevClosure (Z : ℕ) : ℕ :=

proof body

Definition body.

 127  if Z ≤ 2 then 0
 128  else if Z ≤ 10 then 2
 129  else if Z ≤ 18 then 10
 130  else if Z ≤ 36 then 18
 131  else if Z ≤ 54 then 36
 132  else if Z ≤ 86 then 54
 133  else 86
 134
 135/-- Next noble gas closure for element Z. -/

used by (20)

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depends on (3)

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