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4 Commits

Author SHA1 Message Date
Jan Meyer
ac0d7ee068 vault backup: 2026-08-04 13:31:58 2026-08-04 13:31:58 +02:00
Jan Meyer
16e1078562 vault backup: 2026-08-04 13:28:26 2026-08-04 13:28:26 +02:00
Jan Meyer
4cb2c7897e vault backup: 2026-08-04 13:12:55 2026-08-04 13:12:55 +02:00
Jan Meyer
a4a23f2ed3 vault backup: 2026-08-04 13:00:19 2026-08-04 13:00:19 +02:00
24 changed files with 10871 additions and 2 deletions

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@@ -23,7 +23,7 @@ A word (or _string_) is a finite sequence $w = a_1 a_2 ... a_n$ if characters fr
> We will use small letters to describe strings that are part of a language.
> [!EXAMPLE]
> $"aa", "ab", "bba"$ and $"baab"$ are strings over $Sigma = {a, b}.
> $"aa", "ab", "bba"$ and $"baab"$ are strings over $Sigma = {a, b}$.
#### Length of a string
The _length_ $abs(x)$ of a string $x = a_1 ... a_n$ is its number $abs(x) = n$ of characters.

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