Sunday, 27 September 2015

Viktor Orban may be a cat even if no cat is Viktor Orban.

Does 'No cat is Viktor Orban' necessarily imply 'Viktor Orban is not a cat'? No because Viktor Orban may have the property of being a cat only when it is established that no cat does.

What happens when we add the stipulation that there is at least one cat? Can we now deduce from 'No cat is Viktor Orban' that 'Viktor Orban is not a cat.'? No because Viktor Orban may have the property of being promoted to cat status iff only one cat is confirmed in that property. Similarly the existence of n cats who are not Viktor Orban may itself vest the property of being a cat in him.




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