Philosophy (from Greek: φιλοσοφία, philosophia, 'love of wisdom'[1][2][3]) is the study of general and fundamental questions, such as those about reason, existence, knowledge, values, mind, and language.[4][5] Such questions are often posed as problems[6][7] to be studied or resolved.   Main Branches of Philosophy Metaphysics - ("What is there?", "What is it like?") Epistemology - ("What do we know?", "What does it mean to say that we know something?", "What makes justi