पूछताछ की 'द्वंद्वात्मक पद्धति' (डायलेक्टिकल मेथड) की जड़ें ऐतिहासिक रूप से किससे खोजी जा सकती हैं?

Which knowledge is dependent on experience and cannot exist prior to experience or empirical observation?

Which of the following statements represents an a priori / formal truth rather than an empirical proposition?

A posteriori knowledge, also referred to as empirical knowledge, is primarily derived from: