Pointed set
Set
| context | $ X $ |
| definiendum | $ \langle X,x_0 \rangle \in \mathrm{it} $ |
| postulate | $x_0\in X$ |
Discussion
Reference
Wikipedia: Pointed set
| context | $ X $ |
| definiendum | $ \langle X,x_0 \rangle \in \mathrm{it} $ |
| postulate | $x_0\in X$ |
Wikipedia: Pointed set