- § 100. Consequences of the contradiction
- § 101. Various statements of the contradiction
- § 102. An analogous generalized argument
- § 103. Various statements of the contradiction
- § 104. The contradiction arises from treating as one a class which is only many
- § 105. Other primâ facie possible solutions appear inadequate
- § 106. Summary of Part I

§ 104 n. 1. On this subject, see Appendix. ↩

§ 106 n. 1. The notion of *class* in general, we decided, could be replaced, as an indefinable, by that of the class of propositions defined by a propositional function. ↩

§ 106 n. 2. On this point, however, see Appendix. ↩

The Principles of Mathematics was written by Bertrand Russell, and published in in 1903. It is now available in the Public Domain.