(4) The class is unable to solve the following problem: “I sell my house for $12,000, which is a gain of 25% on the cost. Find the cost.” What is the trouble? State the problem so that some connection is apparent.
(5) “Two-thirds of my salary is $2,400. What is my salary?” A child solves this by dividing $2,400 by two and multiplying this result by three. Illustrate a plan for establishing right connections.
(6) May a judgment express a general notion? Illustrate.
(7) Is a thought a thing? Illustrate.
(8) Show the illogic of dividing notions into individual, general and abstract.
(9) Show that goodness is a general notion.
(10) Is the concept an idea? Explain.
(11) Prove that a mental image is always an individual notion.
(12) “In sensation is there implicit thinking?” Argue both sides of the question.
(13) Show that the concept, the judgment and the inference are products of the thinking mind.