German philosopher (1852-1933) best known as a Kant scholar and for his Die Philosophie des Als Ob (The Philosophy of 'As if'). ALS in German, signed “Vaihinger,” on both sides of a 5.5 x 3.5 postcard, June 2, 1914. Untranslated handwritten letter by Vaihinger. In fine condition, with a very slight brush to the end of the signature.
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