About the author
Ken Adams is the leading authority on how to say clearly whatever you want to say in a contract. He’s author of A Manual of Style for Contract Drafting, and he offers online and in-person training around the world. He’s also chief content officer of LegalSifter, Inc., a company that combines artificial intelligence and expertise to assist with review of contracts.
Ken: couldn’t agree more about the unnecessary use (misuse) of rhetorical emphasis in contracts. As a former litigator whose practice is now much more transactional, I consistent battle commission of this sin. However, I am one who believes there are times–perhaps more pointed, there are certain parties–that one feels a client may benefit from the emphasis on terms, either as a point of negotiations or to dissuade future misadventure. And, one should also take caution not to lose the full benefit of some phrases that are actually a legal hendiadys, which is a word phrase of two nouns separated by a conjunction, instead of a noun and its qualifier and that expresses a single idea. A common example is “arbitrary and capricious”, which is truly one standard and not two. For those who still labor in the litigation trenches or feel the need mentioned above to express that you “really, really mean it,” I’d refer you to a short article I wrote a couple of years ago called “Rhetorical Style.” It’s been published a couple of times, so it will pop up in Westlaw and Lexis. Here’s a quick link to one source: http://www.ncbar.com/Journal/journal_8,1.asp.
I respectfully disagree with you about “if and only if”. “If” refers to a sufficient condition; “only if” refers to a necessary one. A condition may be necessary without being sufficient and vice versa. Thus, using the two together is not redundant, and so not merely rhetorical.
For example, a number greater than two is prime “only if” it is odd. But it is not true that a number greater than two is prime “if” it is odd. Conversely, a number greater than two is odd “if” it is prime. But it is not true that a number greater than two is odd “only if” it is prime.
Patrick: I understand the logical distinction between “if” and “only if,” but I don’t think that has anything to do with “if and only if.” I find it helpful to think in terms of examples of contract prose rather than abstractions: I don’t believe that my using “only if” rather than “if and only if” in the fourth example in the original post affects its meaning. Ken