例句與造句

1. In fact, by the existence theorem for limits, all finite limits exist in a category with a terminal object, binary products and equalizers.
2. It follows from the existence theorem for limits that a category is complete if and only if it has pullbacks and binary products ( consider the pullback of ( " f ", " g " ) along the diagonal ? ), a category is complete if and only if it has pullbacks and products.
3. It's difficult to find theorems for limits in a sentence. 用theorems for limits造句挺難的