👉 In the context of mathematics, a nonvaluation is a mathematical concept that refers to a property or function that does not take any value. This means that the function or property cannot be assigned a specific numerical value, such as zero or one.
For example, consider the following function:
```python
def f(x):
return x
2 - 1
```
The nonvaluation of this function is that it cannot be evaluated at any real number except for zero and one. This means that