===== Empty graph =====
==== Set ====
| @#55CCEE: context     | @#55CCEE: $V$ ... set |

| @#FFBB00: definiendum | @#FFBB00: $ \langle V,\emptyset,\psi\rangle = \mathrm{it}(V) $ |

| @#55EE55: postulate   | @#55EE55: $ \psi:\emptyset\to\emptyset $ |

==== Discussion ====
The empty graph on $V$ doesn't contain more information than the set $V$ itself.
==== Parents ====
=== Subset of ===
[[Undirected graph]]