If error is corrected whenever it is recognised, the path of error is the path of truth. Let us assume that the three dimensions of space are visualized in the customary fashion, and let us substitute a color for the fourth dimension.
Every physical object is liable to changes in color as well as in position.
An object might, for example, be capable of going through all shades from red through violet to blue. A physical reaction between any two bodies is possible only if they are close to each other in space as well as in color. The Philosophy of Space and Time Main index Biographies Index History Topics Societies, honours, etc.