Attribution-Share Alike 4.0 truetrue English Well-ordering on ℕ² and bijection ℕ²→ℕ French Bon ordre sur ℕ² et bijection ℕ²→ℕ determination method: SHA-1
DescriptionGen bijection.svg Македонски: Бијекција (сурјекција и инјекција) English: 1-1 and onto. Bijection (injection and surjection). Date 12 February
DescriptionReprésentation Bijection.svg Français : Représentation graphique d'une bijection. Date 30 April 2022 Source Own work Author Florian.maillard
DescriptionTree permutation bijection.svg English: Bijection between binary trees (with nodes labeled in left-to-right order) and stack-sortable permutations