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Fix terminology in L02rw.lean #81

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2 changes: 1 addition & 1 deletion Game/Levels/Tutorial/L02rw.lean
Original file line number Diff line number Diff line change
Expand Up @@ -164,7 +164,7 @@ your list of assumptions. Lean thinks of `h` as being a secret proof of the
assumption, rather like `x` is a secret number.

Before we can use `rfl`, we have to \"substitute in for $y$\".
We do this in Lean by *rewriting* the proof `h`,
We do this in Lean by *rewriting* the proof with `h`,
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@kbuzzard kbuzzard Dec 18, 2024

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We do this in Lean by *rewriting* the proof with `h`,
We do this in Lean by *rewriting* `h`,

How about that? Although I feel like I now want to change it back to "rewriting the assumption h".

The point is that the rw tactic eats a list of assumptions, and it rewrites them, so "rewriting the assumption h" sounds completely accurate to me.

using the `rw` tactic.
"

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