CatDat

map into the singleton set

For every set XX there is a unique map !:X1! : X \to 1, where 11 is the singleton set. In this entry, we require that XX has at least 22 elements.

Satisfied Properties

Assigned properties

Deduced properties

Unsatisfied Properties

Assigned properties

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties