Academic
Which version is correct?
Ok, this means it can be both.
The real example is from mathematics. I will try to construct an equivalent non mathematical example and post it. More later...
"Being mad is a special case of being angry in general."
"Being manodepressive is a special case of schizophrenia." (Have no clue if this is actually true).
Would this make sense?
Okay, I start to see, I think:
X is a special case of Y.
This implies that Y has many realizations and X is one of them.
If there are many cases of something, i..e Y, then one should use "a", but if there is only one modification (or case) then one should use "the".
Is this correct?
For example, this should be correct I presume
"The circle is the special case of the elipse."
the = to emphasize class; hope this usage of "the" is correct.
Since there is more or less only one way of making an elipse into a circle. Right?
Not necessarily.Not necessarily. We could speak of 'a unique case' (45 examples in COCA). Look at the 35 examples of 'the unique case' in COCA and see how they are used.If there are many cases of something, i..e Y, then one should use "a", but if there is only one modification (or case) then one should use "the".
Is this correct?No. There are perhaps many special cases - this is merely one of them.For example, this should be correct I presume
"The circle is the special case of the elipse."
the = to emphasize class; hope this usage of "the" is correct.
Since there is more or less only one way of making an elipse into a circle. Right?
okay, I think I can define the problem better.
Assume that we have an object call it X, and I will label it with integer numbers.
X(1), X(2), X(3), ...
Assume that X(1) and X(2) are identical with Y
X(1) = Y
X(2) = Y
Can I say that Y is the special case of X?
I used those words of one example. You have rephrased my words as a generalisation. That doesn't get us anywhere.
As has been suggested a couple of times before, you are better off with the corpora.
In many of your threads you have been asking about cases where there are no clearly established conventions - if there were, it would be easy to direct you to Swan, Leech, Quirk, or a dozen other books. This is why trying to generalise from individual examples is unwise.
You also sometimes make the (what appears to me to be) mistake of trying to solve these issues by logic. The 'rules' of language do are not always logical in a scientific sense., although the prescriptive garmmarians of the past tried to make them so. Most of the rules are simply conventions accepted by the majority of speakers. For example, the pattern I live/you live/he live is perfectly acceptable in the spoken language of people in some parts of England, as is I lives/you lives/he lives in other parts. The pattern I live/you live/he lives is no better or more logical - it is simply the one that the majority of speakers of all major varieties accept as 'correct'.
Look in the corpora to see how people use the forms you are interested in. If there are several examples, then the form is presumably acceptable. If there are no examples of a form, this does not prove that it is unacceptable, but it does suggest that it is rare.
Last edited by 5jj; 20-Oct-2011 at 20:31. Reason: spacing
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