First off: What is the definition of a logical possibility?
My personal suggestion is this: A logical possibility is a proposition in which multiple terms are connected in such a way that the proposition does not contain a contradiction. (A blue square, or a non-blue square, where blue is a term and is connected to the term square. This proposition does not include a contradiction and thus is a logical possibility. Contrary to square hexagon.) Would this be a correct definition of a logical possibility? (I.e. does it contain too much or eliminate too much?) To say that something is possible in this view would just mean that it is non-contradictory.
Secondly: Is it possible that a term does not necessarily exist? For example is it necessary that the idea, which constitutes a term, of a "white house" "is/exists" in some way? Or is the "being/existence" of the idea contingent?
Thirdly: If a logical possibility is indeed defined as the connection of terms that does not lead to a contradiction. And there "exists/are" terms which are not necessary but instead contingent. (And not eternal) Would the existence of some logical possibilities then not also be contingent? (And not eternal)