vault backup: 2026-04-08 15:10:32

This commit is contained in:
Jan Meyer
2026-04-08 15:10:32 +02:00
parent 8bcf049ced
commit 33843cd0e6
3 changed files with 25 additions and 5 deletions

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@@ -17,4 +17,8 @@ tags:
## 📝 Content
A language $L$ that can be described by a regular expression $r$ (i. e. $L(r) = L$) is called _regular_.
A language $L$ that can be described by a [[29593975 - Regular Expressions|Regular Expression]] $r$ (i. e. $L(r) = L$) is called _regular_.
> [!WARNING]
> There a several important languages that **cannot** be described by a regular expression.
> <mark style="background: #CACFD9A6;">(proof later)</mark>