8. REVIEW QUESTIONS.
(1) What is inference?
(2) What is the meaning of antecedent?
(3) Define (1) judging, (2) a judgment.
(4) All roses are beautiful,
This flower is a rose,
This flower is beautiful.
Write this example of mediate inference in equation form. Name the middle term.
(5) Define immediate inference. Illustrate.
(6) Define mediate inference. Illustrate.
(7) Name the five forms of immediate inference.
(8) What principle is involved in inference by opposition?
(9) Draw the scheme of opposition.
(10) Make use of this scheme in deriving inferences from the following propositions:
(a) “Good men are wise.”
(b) “No king is infallible.”
(c) “Cattle are ruminants.”
(d) “All who cheat the railroads are not honest.”
(11) What are contradictory propositions? Illustrate.
(12) What would be the simplest way of disproving the statement that “No great religious teacher has been consistent?”
(13) Why are A and E said to be contrary propositions?
(14) Define obversion.
(15) By what other name is obversion known?
(16) State the basic principle of obversion.
(17) Illustrate the process known as negating the predicate.
(18) State the rule for obverting an A proposition.
(19) Obvert the following:
(1) “All the boys in my room are industrious.”
(2) “Honesty is the best policy.”
(3) “Only the industrious are truly successful.”
(20) First state the rule and then obvert the following:
(1) “Some plants are biennial.”
(2) “Planets are not suns.”
(3) “Blessed are the merciful.”
(4) “These samples are not perfect.”
(21) Define conversion.
(22) State and illustrate the rules which condition the process of conversion.
(23) Convert, if possible, the following:
(1) “Some men practice sophistry.”
(2) “Few men know how to live.”
(3) “Some of the inhabitants are not civilized.”
(4) “All the world is a stage.”
(5) “None of my pupils failed.”
(6) “Experience is a hard taskmaster.”
(24) Why may co-extensive propositions be converted simply?
(25) Describe the process of inference by contraversion.