I can see two interpretations.
In one, this is equivalent to
Write down your forecasts and explicitly list reasons for your predictions
Check whether the forecast was correct
If it was not, re-evaluate the reasons listed in step 1.
In the other, this is just an internal consistency check: if you believe A, B, and C, make sure they can co-exist and do not contradict each other.
I can see two interpretations.
In one, this is equivalent to
Write down your forecasts and explicitly list reasons for your predictions
Check whether the forecast was correct
If it was not, re-evaluate the reasons listed in step 1.
In the other, this is just an internal consistency check: if you believe A, B, and C, make sure they can co-exist and do not contradict each other.