Science of Knowledge first established Fichte's independent philosophy. The contents of the book, divided into eleven sections, were crucial in the way the thinker grounded philosophy as – for the first time – a part of
epistemology. In this book Fichte also claimed that an "experiencer" must be tacitly aware that he is experiencing in order to lead to "noticing". This articulated his view that an individual's experience is essentially the experiencing of the act of experiencing so that his so-called "Absolutely Unconditioned Principle" of all experience is that "
the I posits itself". ==Reception==