Hawthorne (2005) raises the possibility that, in the course of grasping that p entails q, S will cease to know p. He also notes that SP1 is defensible on the (deviant) assumption that a thought, p, is equivalent to another, q, if p and q hold in all of the same possible worlds.
Lois's acceptance of (5) and denial of (6) entail that Lois both believes and withholds belief from one and the same proposition, where withholding belief from a proposition involves grasping a proposition in a given way and taking a negative attitude towards it when so presented.
That would be too … grasping.
Grasping the micro-object.
Finally, there might even be some contingent propositions that are beyond S's capacity to grasp which are entailed by some propositions that S does, indeed, grasp.
Average ages at first sexual intercourse, obtained from published epidemiological studies about sexuality, are often conveyed by the media in such a way that it does not necessarily grasp the subtleties entailed in such data.
