Unsurprisingly, this is an assumption which the many able, well-behaved pupils deeply resent.
Reasonably well-behaved but has tiny pads, no not me the lapdog !
I had been trying for 45 minutes to get my three well-behaved (or so I thought) dogs and one out of control 17-week-old puppy into the car to go to the vet's for baths and shots.
Suppose a normally well-behaved child is told not to take his brother 's toy.
An orderly selection function should always choose the best element(s) of the remainder set according to some well-behaved preference relation.