bla 5 2 : Nat
nameArgErrorIssue.lean:5:20-5:24: error: Application type mismatch: The argument
  "hi"
has type
  String
but is expected to have type
  Nat
in the application
  bla "hi"
bla sorry 5 : Nat
nameArgErrorIssue.lean:6:20-6:24: error: Application type mismatch: The argument
  "hi"
has type
  String
but is expected to have type
  Nat
in the application
  bla "hi"
nameArgErrorIssue.lean:6:11-6:19: error: Invalid argument name `z` for function `bla`

Hint: Perhaps you meant one of the following parameter names:
  • `x`: z̵x̲
  • `y`: z̵y̲
nameArgErrorIssue.lean:7:11-7:19: error: Invalid argument name `z` for function `bla`

Hint: Perhaps you meant one of the following parameter names:
  • `x`: z̵x̲
  • `y`: z̵y̲