Conditional reasoning is a very important part of the test.  It's a type of reasoning that deals with a specific type of relationship between at least two things and it features prominently throughout the test, the games and arguments sections in particular.  

These videos cover all of the aspects of conditional reasoning that you'll need to know for the test.

 

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CR.1

This video defines conditional reasoning as a specific relationship that involves two conditions.

 

 

CR.2

This video gives you more information about what exactly a 'sufficient condition' is and what exactly a 'necessary condition' is.

 

 

CR.3

This video points out what people often think a conditional relationship tells us but in fact doesn't.

  

 

CR.4

This video explains the different ways that a conditional relationship can be stated and the different arrangements that you'll find.

 

  

CR.5

This video introduces and explains the contrapositive and how to derive it from any conditional relationship that you're presented with.

 

 

CR.6

This video introduces and explains the 'false reversal' and 'false negative' relationships that a lot of people mistakenly think can also be derived from the conditional relationships that you're presented with.

 

  

CR.7

This video introduces and explains biconditionals.

 

 

CR.8

This video introduces and explains conditional statements where there are multiple conditions joined by AND.

 

 

CR.9

This video introduces and explains conditional statements where there are multiple conditions joined by OR.

 

 

 

Exercises for CR.1 - CR.4

Exercises for CR.5 - CR.6

Exercises for CR.7 - CR.9

 

This is a summary of the conditional reasoning lesson where you'll find the most important points from all of the slides in one easy-to-reference place.

 

 

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