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