Concept
Galileo's paradox
Overview
not all numbers are squares, so all the numbers, including both squares and non-squares, must be more numerous than just the squares; yet, for every number there is exactly one square, so there cannot be more of one than of the other
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
Related ideas
Place in the tradition
Part of Fallibilism.