Introduction to Category Theory/Pullbacks
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Example in Sets[edit | edit source]
Sometimes a picture tells more than thousand words. In category of sets, 3 sets {a,b,c,d,e,f,g}, {1,2,3,4,5}, {v,w,x,y,z}, 2 function
Pullback[edit | edit source]
Definition[edit | edit source]
Properties[edit | edit source]
- preserves monos
- pullback of pullback is pullback