"The Pre-persons" is a science fiction short story by American writer Philip K. Dick.
It was first published in Fantasy and Science Fiction magazine, October 1974.
[2] Dick imagines a future where the United States Congress has decided that abortion is legal until the soul enters the body.
The specific instant is defined by the administration, at present the moment a person has the ability to perform simple algebraic calculations (around the age of 12).
The main protester – a former Stanford mathematics major – demands to be taken to the abortion center, since he claims to have forgotten all his algebra.