===== k-cycle =====
==== Set ====
| @#55CCEE: context     | @#55CCEE: $V,E$ ... set |
| @#55CCEE: context     | @#55CCEE: $k\in\mathbb N$ |

| @#FFBB00: definiendum | @#FFBB00: $\langle V,E,\psi\rangle \in \mathrm{it} $ |

| @#AAFFAA: inclusion   | @#AAFFAA: $\langle V,E,\psi\rangle $ ... cycle |

| @#55EE55: postulate   | @#55EE55: $ |\ E\ |=k $ |

==== Discussion ====
The first few k-cycles are called as follows:

point/henagon, line/edge/digon, triangle/trigon, sqare/tetragon/quadrilateral, pentagon, hexagon,...

=== Reference ===
Wikipedia: [[http://en.wikipedia.org/wiki/Polygon|Naming polygons]]
==== Parents ====
=== Subset of ===
[[k-path]], [[Cycle . graph theory]]