# Functional Programming Think...FP is a category!

In many of the articles/books on Category Theory the Category theory is explained in terms of mathematical concepts of Rings, Sets, Fields... I have been struggling to see how it all relate to functional programming. So this might be useful for others too...

In section 2.2 this Category Theory lecture notes there is an interesting explanation of explaning how functional programming forms a category.

In section 2.2 this Category Theory lecture notes there is an interesting explanation of explaning how functional programming forms a category.