Inclusion
Concept history
A revision trail for this concept page.
Revision 409
7/10/2026, 9:14:51 PM · Ancient Tree
Concept created
A [[set|set]] $A$ is said to be included in a set $B$, denoted $A\subseteq B$, if for all $x\in A$, $x\in B$.
Inclusion
A revision trail for this concept page.
7/10/2026, 9:14:51 PM · Ancient Tree
Concept created
A [[set|set]] $A$ is said to be included in a set $B$, denoted $A\subseteq B$, if for all $x\in A$, $x\in B$.