According to enumerative induction, thing B probably has property P4.TRUE
Explanation:
In enumerative thinking it is imperative to think in patterns of reasoning by which a list of information about the members comprised in a set are taken the information from and the conclusion is justified for all the members that belong to the set.
that is, if one belongs to a certain category all will have to.
So, by this logic, we stand to think that P1 P2 P3 P4 are all belonging to the first set A
And that P1 P2 P3 all have properties belonging to the set B
so it is to be believed that P4 being the part of the same set will belong too.