prerequisite map

The same arrows over conditions and skills rather than tasks. An arrow means the thing above cannot hold until the thing below is solid. Mark each node solid, shaky, or absent, and read upward from the lowest shaky one, because everything resting on it is unstable for the same reason.

The same arrows over conditions and skills rather than tasks. An arrow means the thing above cannot hold until the thing below is solid. Mark each node solid, shaky, or absent, and read upward from the lowest shaky one, because everything resting on it is unstable for the same reason.

Example

Best when something keeps failing to stick and you suspect the cause sits earlier than where you keep restarting.