That is, some possibilities are compossible with some events though not with others.

也就是说，某可性对于某件是可的，但对于其他件则不然。

Having willed some things to be what they are, he limited the number of other possibilities and determined which events can be compossible.

在希望某成为它们本来的样子之后，他限制了其他可性的数量，并确定了哪件是可的。