A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. II
CHAPTER VII. _Of the Chemical, or Experimental, Method in the
Social Science._
ยง 1. Characters of the mode of thinking which deduces political doctrines from specific experience 466
2. In the Social Science experiments are impossible 468
3. --the Method of Difference inapplicable 469
4. --and the Methods of Agreement, and of Concomitant Variations, inconclusive 471
5. The Method of Residues also inconclusive, and presupposes Deduction 472