Currently, there are. 376. recognized unique breeds of dogs. For a regularlyupdated source, see the link below.
http://wiki.answers.com/Q/How_many_different_kind_...

There are many different dimensions that define "a logic" Some key ones: Propositional vs predicate. Propositions are bare logical terms: in "if P then Q" P
http://www.quora.com/Howmanydifferentkindsofl...

It is estimated that there are over 400 different breeds of dog in the world, not
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There is only one kind of apple but they come in different colors .
http://wiki.answers.com/Q/How_many_different_kind_...
