It seems to me that a) Landsburg’s critique is right, b) the problem is still mysterious, c) making it less mysterious would require a new mathematical result, d) that future result is more likely to be negative, like the incompleteness theorem or undefinability of truth.
It seems to me that a) Landsburg’s critique is right, b) the problem is still mysterious, c) making it less mysterious would require a new mathematical result, d) that future result is more likely to be negative, like the incompleteness theorem or undefinability of truth.