Minimum

From Esolang

Minimum is a joke language by Ihope127 which is functional and has Unlambda-like syntax. Unlike Unlambda, a Minimum program defines a function which takes the two essential primitive functions, s and k (in that order), and uses them to construct something useful, instead of actually allowing s and k to be specified directly in the program. Though Minimum has an apply operator (Unlambda's `), it has no primitive combinators, therefore making it impossible to program in. The syntax: