Conversion E
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’?...
View ArticleConversion I
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’?...
View ArticleConversion O
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...
View ArticleObversion E
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of E-type (Universal Negative) obversion. Does ‘All cats are felines’ imply ‘All cats are non-felines’?...
View ArticleObversion I
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of I-type (Particular Affirmative) obversion. Does ‘Some cats are felines’ imply ‘Some cats are not...
View ArticleObversion O
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of O-type (Particular Negative) obversion. Does ‘Some cats are not felines’ imply ‘Some cats are...
View ArticleContraposition A
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of A-type (Universal Positive) contraposition. Does ‘A cats are felines’ imply ‘All non-cats are...
View ArticleContraposition I
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of I-type (Particular Affirmative) contraposition. Does ‘Some cats are felines’ imply ‘Some non-cats are...
View ArticleContraposition E
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of E-type (Universal Negative) contraposition. Does ‘No cats are felines’ imply ‘No non-cats are...
View ArticleContraposition O
Flash-based interactive example of Venn diagram-enhanced categorical reasoning. This one is of O-type (Particular Negative) contraposition. Does ‘Some cats are not felines’ imply ‘Some non-felines are...
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