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• CommentRowNumber1.
• CommentAuthorEric
• CommentTimeNov 5th 2009

Asked a question at natural transformation.

• CommentRowNumber2.
• CommentAuthorUrs
• CommentTimeNov 5th 2009

• CommentRowNumber3.
• CommentAuthorUrs
• CommentTimeNov 5th 2009

Todd has indicated the characterization of natural transformations in terms of the cartesian closed monoidal structure on Cat in the discussion section.

I have now created a subsection in the main body of the entry on this perspective.

• CommentRowNumber4.
• CommentAuthorTobyBartels
• CommentTimeNov 5th 2009
• CommentRowNumber5.
• CommentAuthorEric
• CommentTimeNov 5th 2009

I proposed a definition for something at natural transformation. What is a good (or existing) name for it?

• CommentRowNumber6.
• CommentAuthorUrs
• CommentTimeNov 5th 2009

replied further in the discussion there.

I think we are talking here really about the operation that takes a 2-category to a double category. We should draw the relevant diagrams at double category, eventually.

• CommentRowNumber7.
• CommentAuthorUrs
• CommentTimeApr 3rd 2019
• (edited Apr 3rd 2019)

Somebody alerts me that the first diagram here does not come out right. At least for me here on this phone. But we can just have a proper LaTeX implementation now anyway. Unless somebody is quicker, I’ll do it a little later.

• CommentRowNumber8.
• CommentAuthorUrs
• CommentTimeApr 3rd 2019

Okay, fixed.

1. Thanks!