vault backup: 2026-03-09 17:13:35

This commit is contained in:
Jan Meyer
2026-03-09 17:13:35 +01:00
parent cc30cad919
commit fc5bfdcfd0

View File

@@ -41,6 +41,9 @@ Each possible sum creates it's own equivalence class. So there are $7$ equivalen
## Binary Relation ## Binary Relation
A binary relation is a relation $R$ between _exactly two_ elements $a in R$ and $b in R$. An example for a binary relation is $a <= b$ A binary relation is a relation $R$ between _exactly two_ elements $a in R$ and $b in R$. An example for a binary relation is $a <= b$
## Converse Relation
$C^top$ or $C^(-1)$ is the
## Orders ## Orders
An **Order** is a mathematical way to sort, rank or compare elements within a set, where some elements come "before" and "after" others. An **Order** is a mathematical way to sort, rank or compare elements within a set, where some elements come "before" and "after" others.