My views on abortion used to be more influenced by political association, later on by philosophical considerations. Nowadays they are mostly informed by an ethical question I cannot solve to my satisfaction ("Is destroying a person ethically equivalent to preventing that person from coming into existence?"), but I strongly suspect the answer is no.
So, in the counterfactual universe where the right to abortion is a socially conservative value, I might have been pro-life for some period of time, then become pro-choice.
Better philosophical question, how many angels can dance on the head of a needle? Another, does God exist?
Does a set of all sets contain itself? What is the meaning of life? How much would could a woodchuck chuck if a woodchuck could chuck wood?
What is the sound of one hand clapping?
Five. No. No sets of sets because of Russell's Paradox. "Meaning" isn't well-defined as applied to life. Five. *Slap*
It is my firm belief that the answer to all numerical counterfactuals is five. Five what? Five units.