BOOK II.. Number, Variety, and Probability.

NUMBER, VARIETY, AND PROBABILITY.

CHAPTER VIII.

PRINCIPLES OF NUMBER.

1. Principles of Number 153

2. The Nature of Numbe 156

3. Of Numerical Abstraction 158

4. Concrete and Abstract Number 159

5. Analogy of Logical and Numerical Terms 160

6. Principle of Mathematical Inference 162

7. Reasoning by Inequalities 165

8. Arithmetical Reasoning 167

9. Numerically Definite Reasoning 168

10. Numerical meaning of Logical Conditions 171