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单词 corollary
释义
corollary
(once / 4788 pages)
n

Corollary describes a result that is the natural consequence of something else. You could say that your weight gain is a corollary of the recent arrival of a bakery across the street from your house.
The noun corollary describes an action's consequence, such as having to study more, a corollary to getting a bad grade. The word is often seen with the prepositions “to” or “of," as in “a corollary to fortune is fame.” Math enthusiasts may already be familiar with the word corollary, which can be used more formally to describe a new proof or proposition that follows naturally from an established one.
CHOOSE YOUR WORDS
correlation / corollary

A correlation is exactly what it sounds like: a co-relation, or relationship — like the correlation between early birds waking up and the sun rising. But corollary is more like a consequence, like the corollary of the rooster crowing because you smacked it in the beak. Both words love the math lab but can hang with the rest of us, too.

A correlation is a relationship, but not a cause and effect one. In statistics, a correlation is some connection between random variables or data values. Since correlation is a kind of relation, it's often followed by "between." Here are some examples of correlations out in the world:

Correlation is not necessarily causation, so I'm sure this has nothing to do with the departure of Rahm Emanuel. (New York Times)

Their study looked only at wider geographical patterns, showing a correlation between an area's radon levels and rates of the skin cancer. (Reuters)

Corollary, on the other hand, is one thing naturally following another. In mathematics, a theorem is a statement proven true through reasoning. Its corollary is a statement so closely related that it doesn't need to be proven independently. For the rest of us, it's more like the aftermath of something. Let's look at some examples:

The corollary to this finding is that dairy products have no effect on cough, he said. (New York Times)

There is a natural foreign policy corollary: those who see America as a work in progress are less likely to view it as exceptional. (Time)

How can non-math geniuses keep the two straight? Remember that correlation has an equal, though not necessarily defined, relationship. Corollary is more like a consequence.

WORD FAMILY
corollary: corollaries
USAGE EXAMPLES
George Orwell said, probably apocryphally, that some ideas are so absurd that only intellectuals believe them, and maybe there’s a 2016 election corollary.
Wall Street Journal(Dec 30, 2016)
"The corollary of that is that we need to respect the result of every referendum, particularly in the context of this place."
BBC(Dec 13, 2016)
Those three awards mirrored the picks last week by the LAFAA’s East Coast corollary, the New York Film Critics Circle.
Seattle Times(Dec 05, 2016)
1n (logic) an inference that follows directly from the proof of another proposition
Hyper
illation, inference
the reasoning involved in drawing a conclusion or making a logical judgment on the basis of circumstantial evidence and prior conclusions rather than on the basis of direct observation
2n a practical consequence that follows naturally
blind jealousy is a frequent corollary of passionate love
Hyper
aftermath, consequence
the outcome of an event especially as relative to an individual
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