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Fill two local arithmetic steps in Chapter 03#138

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heathsanchez wants to merge 1 commit into
mo271:mainfrom
heathsanchez:fix-chapter03-local-arithmetic-omega
Open

Fill two local arithmetic steps in Chapter 03#138
heathsanchez wants to merge 1 commit into
mo271:mainfrom
heathsanchez:fix-chapter03-local-arithmetic-omega

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This fills two local arithmetic proof holes in FormalBook/Chapter_03.lean using omega.

Patch:

have h_3lel : 3 ≤ l := by
  omega

and

have h_2k'len : 2 * k' ≤ n := by
  omega

Local verification:

lake build FormalBook.Chapter_03

Result:

Build completed successfully

Sorry/admit count change in the file:

-2

The patch is intentionally minimal and only replaces the two local sorry holes.

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