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 Philosophy 103: Introduction to Logic Quiz: Successive Immediate Inferences Answers
 This quiz is based on the following notes: Exercises on Successive Immediate Inferences Strategies for Solving Successive Immediate Inferences To access answers with a non-java enabled browser,  click here:    SUCCESSIVE IMMEDIATE INFERENCES QUIZ ..

Directions: Given the truth of "All splitscreens are practicums" what can be validly inferred about the truth or falsity of the following proposition?

 "Some nonpracticums are splitscreens." Note: This statement is the last line in the proof.

Cite the proper logical relation and appropriate truth value for each successive inference. You may abbreviate by using "S" and "P" for the appropriate classes.

 Statement Reason Truth Value 1. All splitscreens are practicums given true 2.  No splitscreens are nonpracticums. obversion true 3.  No nonpracticums are splitscreens. conversion true 4.  Some nonpracticums are splitscreens. contradiction false ... ...

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