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Functions are Fib elements that assign to the variable, that they define, a value, that is calculated using a formula.
For that a function contains a subfunction. A subfunction is a number, variable, or a true subfunction.
(An alternativ for "fun" is "fkt".)
Description of the elements:
- : The variable, which the function element defines.
- : This is the subfunction of the function.
- : The subobject, for which the is defined and which will be evalued for the calculated variable assignment of the function.