Combining Texts

Ideas for 'Logicism and Ontological Commits. of Arithmetic', 'The Principles of Mathematics' and 'On the Freedom of the Will'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

2 ideas

5. Theory of Logic / B. Logical Consequence / 8. Material Implication

14108

It would be circular to use 'if' and 'then' to define material implication [Russell]

14106

Implication cannot be defined [Russell]