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diff --git a/doc/scan.md b/doc/scan.md index 73ce3f0a..f87580e4 100644 --- a/doc/scan.md +++ b/doc/scan.md @@ -94,7 +94,7 @@ A more complicated boolean scan, which depends on the left-to-right ordering, is ## Reverse scan -We've discussed how the scan moves forward along `𝕩`, so that each time `𝔽` takes an old result as `𝕨` and a new value as `𝕩`. This means that results correspond to [prefixes](prefixes.md) and go left to right on each one. Since the most important scans have associative, commutative operands, the left-to-right ordering often doesn't make a difference. But sometimes a suffix rather than prefix scan is wanted. For these cases, Scan Under [Reverse](reverse.md) (`` `⌾⌽ ``) does the trick. +We've discussed how the scan moves forward along `𝕩`, so that each time `𝔽` takes an old result as `𝕨` and a new value as `𝕩`. This means that results correspond to [prefixes](prefixes.md) and go left to right on each one. Since the most important scans have associative, commutative operands, the left-to-right ordering often doesn't make a difference. But sometimes a suffix rather than prefix scan is wanted. For these cases, Scan [Under](under.md) [Reverse](reverse.md) (`` `⌾⌽ ``) does the trick. ∨` 0‿0‿1‿0‿0‿1‿0 |