[25] Latterly it has been assumed that ΔS is proportional to S.
[26] Revue scientifique, March 13 and April 24, 1875.
[CHAPTER II]
THE MULTIPLICITY OF CONSCIOUS STATES[1]
THE IDEA OF DURATION
What is number?
Number maybe defined in general as a collection of units, or, speaking more exactly, as the synthesis of the one and the many. Every number is one, since it is brought before the mind by a simple intuition and is given a name; but the unity which attaches to it is that of a sum, it covers a multiplicity of parts which can be considered separately. Without attempting for the present any thorough examination of these conceptions of unity and multiplicity, let us inquire whether the idea of number does not imply the representation of something else as well.
The units which make up a number must be identical.