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? as a logical connective
I am reading Doubt Truth to be a Liar by Graham Priest. In it he uses the symbol ? as a logical connective, and I am unsure of it's meaning.
Given his use of ? (a ? a) to denote the Law of Identity, ...
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Is there a philosophical definition for "difference" and "similarity"? When are 2 logical arguments "different" or "similar"? [closed]
Is there a philosophical definition for "difference" and "similarity"? When are 2 logically valid arguments "different" or "similar"?
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