*Post by Jerry Friedman**Post by ***@gmail.com*an assumption about the form of an unknown function which is made

in order to facilitate solution of an equation or other problem.

In it, does the "which ..." clause modify the "assumption" or "an unknown function"?

Assumption. In order to facilitate the solution, you make an

assumption about the form of the function.

I've been trying to think of examples where any other interpretation

would be possible. In fact there are situations where you introduce an

unknown function into a calculation, and only later work out what that

function must be. It's uncommon, but not impossible.

In those cases, though, you would never use the words "which is made" to

describe the function. That means that the question can be answered by

logic, with very little knowledge of English required.

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Peter Moylan Newcastle, NSW http://www.pmoylan.org