Ross indexed the following pages under the keyword: "Question".

Question variety in Selection and variety Trial and error variety in Variety in set v. in element 4692 4693

Answer cylindrance of Question cylindrance of 6884 6885

Summary: A start to the difficult problem of the mapping that conserve rectangularity. Question improper Summary: As many people, trained on simple systems, will start by asking the wrong questions, the cybernetician must be well educated in recognising wrongness. 6910 6911