 actual and what
that agent either expects or intends to be the case.

For instance, let us consider once again Dewey's &quot;Sign of Rain&quot; example:

o-----------------------------------------------------------o
|                                                           |
|  Air Warm    Air Cool              Clear Sky  Cloudy Sky  |
|    A_1         A_2                     C_1         C_2    |
|     o~~~~~&gt;~~~~~o                       o~~~~~&gt;~~~~~o     |
|      \                                 