10. The bare passive recognition or having of ideas is called perception.
11. Whatever has in it an idea, tho' it be never so passive, tho' it exert no manner of act about it, yet it must perceive. 10.
12. All ideas either are simple ideas, or made up of simple ideas.
13. That thing wch is like unto another thing must agree wth it in one or more simple ideas.
14. Whatever is like a simple idea must either be another simple idea of the same sort, or contain a simple idea of the same sort. 13.
15. Nothing like an idea can be in an unperceiving thing. 11, 14. Another demonstration of the same thing.
16. Two things cannot be said to be alike or unlike till they have been compar'd.
17. Comparing is the viewing two ideas together, & marking wt they agree in and wt they disagree in.
18. The mind can compare nothing but its own ideas. 17.
19. Nothing like an idea can be in an unperceiving thing. 11, 16, 18.