MathDB
analysis

Source: miklos schweitzer 1993 q5

October 22, 2021
Measure theoryreal analysisordered set

Problem Statement

Does the set of real numbers have a well-order \prec such that the intersection of the subset {(x,y):xy}\{(x,y) : x\prec y\} of the plane with every line is Lebesgue measurable on the line?