After the f o g and g o f, there is a something and a v. What is that?
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Originally Posted by dwsmith After the f o g and g o f, there is a something and a v. What is that? That is an iota. Usually it indicates an \.
Originally Posted by dwsmith After the f o g and g o f, there is a something and a v. What is that? .
normally iota is used for an inclusion morphism. if the sub-object is the same as the target of the morphism (just as any set can be a subset of itself), then this becomes the identity map.
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