Surjection from SetComposition
A set composition as a surjection: each position labelled with its block's index, from 1.
Called as CombinatorialMap(x, "Surjection"). The head's page has its examples.
Live
Explore
Each element of SetComposition at a size, and its image, applied in your browser; sizes past 6 are not offered.
Properties
Transport a statistic
Pick a statistic on Surjection. Its distribution over the images of SetComposition at each size is computed, and compared with the 0 statistics on SetComposition: those that share it are the ones the map sends it to, as far as the sizes computed show.
No statistic is declared on Surjection.