DW> Well, maybe. In my own case, I had learned to think very logically by
 DW> studying various branches of science and philosophy, before I ever did
 DW> any programming.
Are you talking in high school?  I believe few folks get out of high school
with well honed logic skills.
 DW> I suppose this speculation should be amenable to observational
 DW> checking. Do students who already know QB learn Prolog, say, faster
 DW> than those who do not? Has anyone looked at the performances of real
 DW> students, to find out?
I know that once someone has learned *a* programming language, others come
easier; that has been studied and confirmed for most folks.  I don't know
if anyone has looked at any particular order.  It somehow seems intuitive,
but is by no means certain, that starting with an easy language such as
BASIC would make transitioning to something like assembler, a bit easier.
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