fix typo in statement of le_total
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@@ -14,7 +14,7 @@ Introduction "
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This is I think the toughest level yet.
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"
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/-- If $x \leq y$ and $y \leq z$, then $x \leq z$. -/
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/-- If $x$ and $y$ are numbers, then either $x \leq y$ or $y \leq x$. -/
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Statement le_total (x y : ℕ) : x ≤ y ∨ y ≤ x := by
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Hint (hidden := true) "Start with `induction y with d hd`."
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induction y with d hd
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