Introduction to Category Theory/Pullbacks

Example in Sets
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

Properties

 * preserves monos
 * pullback of pullback is pullback

Related Resources

 * Pullback (category theory)
 * Pushout (category theory)