Structures · Logic and sets
ZFSet.Definable
A set function is "definable" if it is the image of some n-ary PSet
function. This isn't exactly definability, but is useful as a sufficient
condition for functions that have a computable image.
- Defined in
- Mathlib.SetTheory.ZFC.Basic
- Shape
- 2 explicit arguments · adds out, mk_out
Extends0
Extends nothing: this is a root of the hierarchy.
Extended by0
Nothing extends this class yet.
Concrete types that are instances0
No instance on a concrete type; it is reached through other classes.
How is a type an instance?
Loading the hierarchy index…
Assumed by5
Ancestors0
No ancestors.