Casual Introduction (cont.)
Now consider the situation represented by the venn diagram in Figure 2.
Figure 2 differs from Figure 1 solely in the circumstance that the object is outside the region
while the object
is inside the region
So far, nothing says our encountering these Figures in this order is other than purely accidental but if we interpret this sequence of frames as a “moving picture” representation of their natural order in a temporal process then it would be natural to suppose
and
have remained as they were with regard to the quality
while
and
have changed their standings in that respect. In particular,
has moved from the region where
is true to the region where
is false while
has moved from the region where
is false to the region where
is true.
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