## Test

```catala
declaration scope A:
  internal x content list of integer
  output y content boolean

scope A:
  definition x equals [0; 5]
  definition y under condition (number of x) > 0 consequence equals true
  definition y under condition (number of x) = 0 consequence equals false
```



```catala-test-inline
$ catala Typecheck --check-invariants
┌─[RESULT]─
│ All invariant checks passed
└─
┌─[RESULT]─
│ Typechecking successful!
└─
```

```catala-test-inline
$ catala Proof --disable-counterexamples 
┌─[RESULT]─
│ No errors found during the proof mode run.
└─
```