===== Pointed set =====
==== Set ====
| @#55CCEE: context     | @#55CCEE: $ X $ |

| @#FFBB00: definiendum | @#FFBB00: $ \langle X,x_0 \rangle \in \mathrm{it} $ |

| @#55EE55: postulate   | @#55EE55: $x_0\in X$ |

==== Discussion ====
=== Reference ===
Wikipedia: [[http://en.wikipedia.org/wiki/Pointed_set|Pointed set]]
==== Parents ====
=== Context ===
[[Ordered pair]]