Composition
QUESTION
Composition
Click to reveal answer ANSWER
For relations $R \subset X \times Y$ and $S \subset Y \times Z$, the composition $S \circ R \subset X \times Z$ is defined by:
$$(S \circ R)x := S(Rx)$$
Click to see question - ソースノート: chapter1.md
- カードID: composition
- 状態: active