Return to Philosophy Web Homepage philosophy.lander.edu

     Title: Introduction to Logic

Homepage > Logic > Quizzes > Truth Validity Soundness     

   
 

Logic Homepage

 

Quizzes
Tests
FAQ
Links
Search
Readings
Archives
Syllabus

 

 

Philosophy 103: Introduction to Logic

Quiz: Truth,
Validity, and
Soundness

truth logo

To access answers with a
non-JavaScript enabled browser,
click here:
TRUTH VALIDITY SOUNDNESS ANSWERS

Directions: Carefully study statements 1-10. Decide whether each statement is true or false and write in the spaces provided the word “true” or the word “false” in accordance with your decision.


  1. __________ A sound argument is a valid deductive argument with true premisses.

  1. __________ A deductive argument cannot be both valid and unsound. 

  1. __________ All valid deductive arguments are sound arguments. 

  1. __________ A deductive argument can be either valid or invalid and still have true premisses. 

  1. _________ When the conclusion of a deductive argument is true, the argument must be sound. 

  1. __________ When the premisses of a deductive argument are true, the conclusion is always true as well. 

  1. __________ If a deductive argument is sound, then the conclusion must be true. 

  1. __________ A deductive argument could have a false premiss and still be sound. 

  1. __________ In a valid deductive argument the conclusion could be true or false. 

  1. __________ An invalid deductive argument could have all true statements in it. 


Return to Logic Homepage      

 
Quiz: Diagramming Simple Arguments  Top of Page  Quiz: Varieties of Disagreement

Send corrections or suggestions to larchie[at]philosophy.lander.edu
Read the disclaimer concerning this page.
1997-2024 Licensed under GFDL and Creative Commons 3.0



The “Copyleft” copyright assures the user the freedom to use,
copy, redistribute, make modifications with the same terms.
Works for sale must link to a free copy.

The “Creative Commons” copyright assures the user the freedom
to copy, distribute, display, and modify on the same terms.
Works for sale must link to a free copy.


Arguments | LanguageFallacies  | Propositions  | Syllogisms  | Translation  | Symbolic

.

[an error occurred while processing this directive]