Analogies - definition of analogies by The Free Dictionary
What does analogy mean? An analogy is a comparison between two things. By nature, those two things are quite different from each other.
Analogy - definition of analogy by The Free Dictionary
Some standardized tests still have "analogy questions," which are given in this format: A : B :: C : ___ (read "A is to B as C is to what?"). This is a more formalized version of something we do every day: compare one thing to another. It's a useful way of speaking — if a scientist explains that the earth's forests function as its lungs, we understand the analogy to mean that both trees and lungs take in important elements from the air. But when Forrest Gump says life is like a box of chocolates because you never know what you're going to get, that's a pretty brainless analogy.
Two main uses of analogy were Aristotle's saying that 'being' as exhibited in the ten categories is analogous with a primary sense for substances. Thus the sense in which a human exists is primary and prior to the sense in which we say his weight, height, or colour exists. Aristotle implicitly held that since concepts are abstractions from things and are the meanings of words, analogy of meaning tracks analogy of being. The second main use of proportionality is the adaptation of the 'matter/form' and 'act/potency' distinction, and the like, and of the senses of 'cause' (formal, efficient, material, and final) to varying contexts throughout philosophy of nature,