Book, Chapter

1     I, prooe|    expense of a more protracted investigation, not to shrink from labour;
2     I, 1    | occupied with an hypothesis and investigation concerning the stars, became
3     I, 2    |     this person, instituting an investigation concerning natural phenomena,
4    IV, 3    |    previously marked it out for investigation, they draw the birth of
5    VI, 32   |     endued with an aptitude for investigation with a view to inference. (
6    VI, 47   |  attained unto, as it were, the investigation of what is similar to itself,
7   VII, 7    |          constitutes a distinct investigation in philosophy. For there
8   VII, 7    |      arguments and a lengthened investigation. As regards, however, the
9    IX, 23   |      disputative spirit a close investigation into the things regarded