Chapter Iv. _of Trains of Reasoning, and Deductive

Sciences._

§ 1. For what purpose trains of reasoning exist 234

2. A train of reasoning is a series of inductive inferences 234

3. --from particulars to particulars through marks of marks 237

4. Why there are deductive sciences 240

5. Why other sciences still remain experimental 244

6. Experimental sciences may become deductive by the progress of experiment 246

7. In what manner this usually takes place 247