Assertion: variable's value | /r/HasProperty | fixed
Facets:
Source sentences:
text: Finally, file variables behave very differently from other variables: the file variable itself is usually a fixed value, i.e., it denotes the same file throughout the program, but the contents of successive file elements convey a file element role not comparable to other roles.
text: That is to say, the value of x is "fixed"; we just have to figure out what that fixed value is.
text: The values of these system variables are either fixed (the value of !