CT2.0 » Conversion http://inquiry.mcdaniel.edu Archive of examples of reasoning for use in Critical Thinking classrooms Tue, 17 Jan 2012 21:19:53 +0000 en hourly 1 http://wordpress.org/?v=3.1.1 Conversion http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion/ http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion/#comments Wed, 08 Jun 2011 11:50:29 +0000 admin http://inquiry.mcdaniel.edu/?p=3953

Conversion is a transition in categorical (Aristotlean) logic.  It involves only one step:

  1. Switch the subject and predicate terms.

If, for example, one…

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Conversion is a transition in categorical (Aristotlean) logic.  It involves only one step:

  1. Switch the subject and predicate terms.

If, for example, one asserts the I-Type sentence ‘Some 4-chan users are trolls’, a conversion would:

  1. switch ’4-chan users’ and ‘trolls’ in the sentence, producing: ‘Some trolls are 4-chan users’.

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]]> http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion/feed/ 1 Conversion O http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-o/ http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-o/#comments Wed, 08 Jun 2011 11:23:40 +0000 admin http://inquiry.mcdaniel.edu/?p=3929

Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of O-type (Particular Negative) conversion. Does ‘Some cats are not felines’ imply ‘Some felines are not cats’?

 

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Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of O-type (Particular Negative) conversion. Does ‘Some cats are not felines’ imply ‘Some felines are not cats’?

 

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]]> http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-o/feed/ 0 Conversion I http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-i/ http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-i/#comments Wed, 08 Jun 2011 11:21:05 +0000 admin http://inquiry.mcdaniel.edu/?p=3927

Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of I-type (Particular Affirmative) conversion. Does ‘Some cats are felines’ imply ‘Some felines are cats’?

 

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Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of I-type (Particular Affirmative) conversion. Does ‘Some cats are felines’ imply ‘Some felines are cats’?

 

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]]> http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-i/feed/ 0 Conversion E http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-e/ http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-e/#comments Wed, 08 Jun 2011 11:19:22 +0000 admin http://inquiry.mcdaniel.edu/?p=3925

Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of E-type (Universal Negative) conversion. Does ‘No cats are felines’ imply ‘No felines are cats’?

 

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Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of E-type (Universal Negative) conversion. Does ‘No cats are felines’ imply ‘No felines are cats’?

 

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]]> http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-e/feed/ 0 Conversion A http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-a/ http://inquiry.mcdaniel.edu/blog/2011/06/08/conversion-a/#comments Wed, 08 Jun 2011 11:14:25 +0000 admin http://inquiry.mcdaniel.edu/?p=3914

Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of A-type (Universal Affirmative) conversion. Does ‘All cats are felines’ imply ‘All felines are cats’?

 

 

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