last updated 11 September 2015 by Kevin Trethewey

Steps

1. Define the boundaries of the system
2. Decide what you need to resolve
3. Find the point of agreement by going up
4. Come back down again

last updated 11 September 2015 by Kevin Trethewey

Steps

1. Define the boundaries of the system
2. Decide what you need to resolve
3. Find the point of agreement by going up
4. Come back down again