The most basic relations in set theory can be summarized as follows. 1  A set S1 is a subset of set S if and only if every element of S1 is also an element of S. 2  A set S1 is a proper subset of set S if and only if every element of S1 is also an element of S, but there are some elements in S that are not elements of S1.
Then you NEED to feed the puppies yourself. NOT water either, you need puppy replacement milk. Newborn puppies do not drink water. Newborn puppies do nothing but suckle till they ar 4-5 weeks. My dogs pups are 4 weeks old and they are JUST starting to be interested in water and puppy milk soaked kibble. Go get puppy replacement milk from a pet store, petco and petsmart will have it.
Nursing. Newborn puppies are meant to only consume their mother dog's milk. At this point, as a caretaker there is absolutely no need for you to feed puppies anything, whether soft or dry foods. The mother dog's milk offers puppies everything they need in order to be healthy and hardy.he ASPCA recommends feeding the youngsters dry puppy food that is spoon-mixed into warm water. Instead of water, puppy milk replacer in liquid form works just fine. If you mix water or puppy formula with dry food, the meal will take on a soft, smooth, thick and gruel-like feel -- a lot easier for puppies to manage.