Arrant Pedantry

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The Reason Why This Is Correct

There’s a long-running debate over whether the construction reason why is acceptable. Critics generally argue that why essentially means reason, so saying reason why is like saying reason twice. Saying something twice is redundant, and redundancy is bad; ergo, reason why is bad. This is really a rather bizarre argument. Reason is a noun; why is usually an interrogative adverb. They do cover some of the same semantic space, but not the same syntactic space. Does this really make the construction redundant? Defendants generally admit that it’s redundant, but in a harmless way. But rebutting the critics by calling it “not ungrammatical” or saying that “redundancy is not inherently bad” is a pretty weak defense. However, that defense can be strengthened with the addition of something that has been missing from the discussion: an examination of the syntactic role of why in such constructions.

Nearly every discussion on reason why that I’ve ever seen—including Merriam-Webster’s Dictionary of English Usage and Garner’s Modern American Usage—leaves out this very important syntactic component. The only exceptions that I’ve seen are this post on the Grammarphobia blog and this one on Daily Writing Tips, which both mention that why is a conjunction. The writers at Grammarphobia argue that reason why is not actually redundant because of why’s syntactic role, but Mark Nichol at Daily Writing Tips seems much more confused about the issue. He says that even though reason why has been around for centuries and only came under fire in the twentieth century, he’ll continue to avoid it in his own writing “but will forgive the combination when I am editing that of others” (how magnanimous). But he doesn’t understand why reason why is okay but reason is because is not, because both why and because are conjunctions.

I won’t get into reason is because here, but suffice it to say that these are very different constructions. As I mentioned in my previous post on relative pronouns and adverbs, why functions as a relative adverb, but it appears almost exclusively after the word reason. (To be clear, all relative pronouns and adverbs can be considered conjunctions because they connect a subordinate clause—the relative clause—to a main one.) In a phrase like the reason why this is correct, why connects the relative clause this is correct to the noun it modifies, reason. Relative pronouns refer to a noun phrase, while relative adverbs refer to some kind of adverbial phrase. As with any relative clause, you can extract a main clause out of the relative clause by replacing the relative pronoun or adverb and doing a little rearranging (that’s the man who I met > I met the man), though with relative adverbs you often have to add in a function word or two: the reason why this is correct > this is correct for this reason. This is pretty obvious when you think about it. A phrase like the reason why this is correct contains another clause—this is correct. There has to be something to connect it syntactically to the rest of the phrase.

In defending the construction, Gabe Doyle at Motivated Grammar compares it to the redundancy in The person who left their wet swimsuit on my books is going to pay. This is actually a more apt comparison than Mr. Doyle realizes, because he doesn’t make the connection between the relative pronoun who and the relative adverb why. He argues that it is just as redundant as reason why (and therefore not a problem), because who means person in a sense.

But as I said above, this isn’t really redundancy. Who is a relative pronoun connecting a clause to a noun phrase. If who means the same thing as person, it’s only because that’s its job as a pronoun. Pronouns are supposed to refer to other things in the sentence, and thus they mean the same thing. Why works much the same way. Why means the same thing as reason only because it refers to it.

So what about reason that or just plain reason? Again, as I discussed in my last post on relative pronouns and adverbs, English has two systems of relativization: the wh words and that, and that is omissible except where it functions as the subject of the relative clause. Thus we have the option of saying the reason why this is correct, the reason that this is correct (though that sounds awkward in some instances), or just plain the reason this is correct (again, this is occasionally awkward). The Cambridge Grammar of the English Language also mentions the possibility the reason for which, though this also sounds awkward and stilted in most cases. But I suspect that many awkward plain reasons are the result of editorial intervention, as in this case I found in the research for my thesis: There are three preliminary reasons why the question of rationality might make a difference in the context of Leibniz’s thought.

It’s important to note, though, that there are some constructions in which why is more superfluous. As Robert Lane Greene noted on the Johnson blog, sometimes why is used after reason without a following relative clause. (Mr. Greene calls it a complement clause.) He gives the example I’m leaving your father. The reason why is that he’s a drunk. The why here doesn’t really serve a syntactic function, since it’s not introducing a clause, though the Oxford English Dictionary calls this an elliptical construction. In essence, the why is serving as a placeholder for the full relative clause: I’m leaving your father. The reason why (I’m leaving him) is that he’s a drunk. It’s not strictly necessary to delete the why here, though it is generally colloquial and may not sound right in formal writing.

But this is by no means a blanket injunction against reason why. I think the rule forbidding reason why probably arose out of simple grammatical misanalysis of this relative construction, or perhaps by broadening a ban on elliptical reason why into a ban on all instances of reason why. Whatever the reason for the ban, it’s misguided and should be laid to rest. Reason why is not only not ungrammatical or harmlessly redundant, but it’s a legitimately correct and fully grammatical construction. Just because there are other options doesn’t mean one is right and the rest are wrong.

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Relative Pronoun Redux

A couple of weeks ago, Geoff Pullum wrote on Lingua Franca about the that/which rule, which he calls “a rule which will live in infamy”. (For my own previous posts on the subject, see here, here, and here.) He runs through the whole gamut of objections to the rule—that the rule is an invention, that it started as a suggestion and became canonized as grammatical law, that it has “an ugly clutch of exceptions”, that great writers (including E. B. White himself) have long used restrictive which, and that it’s really the commas that distinguish between restrictive and nonrestrictive clauses, as they do with other relative pronouns like who.

It’s a pretty thorough deconstruction of the rule, but in a subsequent Language Log post, he despairs of converting anyone, saying, “You can’t talk people out of their positions on this; they do not want to be confused with facts.” And sure enough, the commenters on his Lingua Franca post proved him right. Perhaps most maddening was this one from someone posting as losemygrip:

Just what the hell is wrong with trying to regularize English and make it a little more consistent? Sounds like a good thing to me. Just because there are inconsistent precedents doesn’t mean we can’t at least try to regularize things. I get so tired of people smugly proclaiming that others are being officious because they want things to make sense.

The desire to fix a problem with the language may seem noble, but in this case the desire stems from a fundamental misunderstanding of the grammar of relative pronouns, and the that/which rule, rather than regularizing the language and making it a little more consistent, actually introduces a rather significant irregularity and inconsistency. The real problem is that few if any grammarians realize that English has two separate systems of relativization: the wh words and that, and they work differently.

If we ignore the various prescriptions about relative pronouns, we find that the wh words (the pronouns who/whom/whose and which, the adverbs where, when, why, whither, and whence, and the where + preposition compounds) form a complete system on their own. The pronouns who and which distinguish between personhood or animacy—people and sometimes animals or other personified things get who, while everything else gets which. But both pronouns function restrictively and nonrestrictively, and so do most of the other wh relatives. (Why occurs almost exclusively as a restrictive relative adverb after reason.)

With all of these relative pronouns and adverbs, restrictiveness is indicated with commas in writing or a small pause in speech. There’s no need for a lexical or morphological distinction to show restrictiveness with who or where or any of the others—intonation or punctuation does it all. There are a few irregularities in the system—for instance, which has no genitive form and must use whose or of which, and who declines for cases while which does not—but on the whole it’s rather orderly.

That, on the other hand, is a system all by itself, and it’s rather restricted in its range. It only forms restrictive relative clauses, and then only in a narrow range of syntactic constructions. It can’t follow a preposition (the book of which I spoke rather than *the book of that I spoke) or the demonstrative that (they want that which they can’t have rather than *they want that that they can’t have), and it usually doesn’t occur after coordinating conjunctions. But it doesn’t make the same personhood distinction that who and which do, and it functions as a relative adverb sometimes. In short, the distribution of that is a subset of the distribution of the wh words. They are simply two different ways to make relative clauses, one of which is more constrained.

Proscribing which in its role as a restrictive relative where it overlaps with that doesn’t make the system more regular—it creates a rather strange hole in the middle of the wh relative paradigm and forces speakers to use a word from a completely different paradigm instead. It actually makes the system irregular. It’s a case of missing the forest for the trees. Grammarians have looked at the distribution of which and that, misunderstood it, and tried to fix it based on their misunderstanding. But if they’d step back and look at the system as a whole, they’d see that the problem is an imagined one. If you think the system doesn’t make sense, the solution isn’t to try to hammer it into something that does make sense; the solution is to figure out what kind of sense it makes. And it makes perfect sense as it is.

I’m sure, as Professor Pullum was, that I’m not going to make a lot of converts. I can practically hear copy editors’ responses: But following the rule doesn’t hurt anything! Some readers will write us angry letters if we don’t follow it! It decreases ambiguity! To the first I say, of course it hurts, in that it has a cost that we blithely ignore: every change a copy editor makes takes time, and that time costs money. Are we adding enough value to the works we edit to recoup that cost? I once saw a proof of a book wherein the proofreader had marked every single restrictive which—and there were four or five per page—to be changed to that. How much time did it take to mark all those whiches for two hundred or more pages? How much more time would it have taken for the typesetter to enter those corrections and then deal with all the reflowed text? I didn’t want to find out the answer—I stetted every last one of those changes. Furthermore, the rule hurts all those who don’t follow it and are therefore judged as being sub-par writers at best or idiots at worst, as Pullum discussed in his Lingua Franca post.

To the second response, I’ve said before that I don’t believe we should give so much power to the cranks. Why should they hold veto power for everyone else’s usage? If their displeasure is such a problem, give me some evidence that we should spend so much time and money pleasing them. Show me that the economic cost of not following the rule in print is greater than the cost of following it. But stop saying that we as a society need to cater to this group and assuming that this ends the discussion.

To the last response: No, it really doesn’t. Commas do all the work of disambiguation, as Stan Carey explains. The car which I drive is no more ambiguous than The man who came to dinner. They’re only ambiguous if you have no faith in the writer’s or editor’s ability to punctuate and thus assume that there should be a comma where there isn’t one. But requiring that in place of which doesn’t really solve this problem, because the same ambiguity exists for every other relative clause that doesn’t use that. Note that Bryan Garner allows either who or that with people; why not allow either which or that with things? Stop and ask yourself how you’re able to understand phrases like The house in which I live or The woman whose hair is brown without using a different word to mark that it’s a restrictive clause. And if the that/which rule really is an aid to understanding, give me some evidence. Show me the results of an eye-tracking study or fMRI or at least a well-designed reading comprehension test geared to show the understanding of relative clauses. But don’t insist on enforcing a language-wide change without some compelling evidence.

The problem with all the justifications for the rule is that they’re post hoc. Someone made a bad analysis of the English system of relative pronouns and proposed a rule to tidy up an imagined problem. Everything since then has been a rationalization to continue to support a flawed rule. Mark Liberman said it well on Language Log yesterday:

This is a canonical case of a self-appointed authority inventing a grammatical theory, observing that elite writers routinely violate the theory, and concluding not that the theory is wrong or incomplete, but that the writers are in error.

Unfortunately, this is often par for the course with prescriptive rules. The rule is taken a priori as correct and authoritative, and all evidence refuting the rule is ignored or waved away so as not to undermine it. Prescriptivism has come a long way in the last century, especially in the last decade or so as corpus tools have made research easy and data more accessible. But there’s still a long way to go.

Update: Mark Liberman has a new post on the that/which rule which includes links to many of the previous Language Log posts on the subject.

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