Book,  Chapter

 1     II,  XXI| perception of the connexion or repugnancy, agreement or disagreement,
 2     IV,  I  | agreement, or disagreement and repugnancy of any of our ideas. In
 3     IV,  II |      perceive the agreement or repugnancy between two ideas that need
 4     IV,  III|       ideas themselves.~15. Of repugnancy to co-exist, our knowledge
 5     IV,  III|      to the incompatibility or repugnancy to coexistence, we may know
 6     IV,  III|       a necessary connexion or repugnancy one with another; which
 7     IV,  VI |      discoverable connexion or repugnancy, but with a very few other
 8     IV,  VI |      same subject, or of their repugnancy so to co-exist. Could we
 9     IV,  VI |    ideas have no connexion nor repugnancy with this our nominal essence
10     IV,  IX |       known necessary union or repugnancy.~2. A threefold knowledge
11     IV,  XII|    concerning co-existence, or repugnancy to co-exist, which by contemplation
12     IV,  XII|       show us the agreement or repugnancy of other ideas, which cannot