Note that even though the domain of modifier is print the interpreter has to carry some information about modifiers, so that it can process Is_Nth_Induct and Is_Nth_Arb.
But the size of this data-structure is very small. Therefore, I think the list constructor is good enough.
Note that even though the domain of
modifier
isprint
the interpreter has to carry some information aboutmodifier
s, so that it can processIs_Nth_Induct
andIs_Nth_Arb
.But the size of this data-structure is very small. Therefore, I think the list constructor is good enough.