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Merge pull request #73 from mcol/typos

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Fix typos.
This commit is contained in:
Jon Eugster
2024-07-04 17:17:02 +02:00
committed by GitHub
parent bfaf1259a2 8a563cf6f4
commit 7400b127d2
2 changed files with 2 additions and 2 deletions
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2
Game/Levels/AdvMultiplication/L06mul_right_eq_one.lean
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@@ -74,7 +74,7 @@ Statement mul_right_eq_one (x y : ℕ) (h : x * y = 1) : x = 1 := by
exact one_ne_zero exact one_ne_zero
Hint (hidden := true) "Now you can `apply le_mul_right at h2`." Hint (hidden := true) "Now you can `apply le_mul_right at h2`."
apply le_mul_right at h2 apply le_mul_right at h2
Hint (hidden := true) "Now `rw [h] at h2` so you can `apply le_one at hx`." Hint (hidden := true) "Now `rw [{h}] at {h2}` so you can `apply le_one at {h2}`."
rw [h] at h2 rw [h] at h2
apply le_one at h2 apply le_one at h2
Hint (hidden := true) "Now `cases h2 with h0 h1` and deal with the two Hint (hidden := true) "Now `cases h2 with h0 h1` and deal with the two

2
Game/Levels/Tutorial/L02rw.lean
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@@ -77,7 +77,7 @@ are two distinct situations where you can use this tactic.
1) Basic usage: if `h : A = B` is an assumption or 1) Basic usage: if `h : A = B` is an assumption or
the proof of a theorem, and if the goal contains one or more `A`s, then `rw [h]` the proof of a theorem, and if the goal contains one or more `A`s, then `rw [h]`
will change them all to `B`'s. The tactic will error will change them all to `B`s. The tactic will error
if there are no `A`s in the goal. if there are no `A`s in the goal.
2) Advanced usage: Assumptions coming from theorem proofs 2) Advanced usage: Assumptions coming from theorem proofs