Subjectivism given consciousness is dependent on that consciousness. This has its philosophical basis in the writings of Descartes (see "cogito ergo sum"), and forms a cornerstone of Søren Kierkegaard's philosophy. Recently, more modest versions of metaphysical subjectivism have been explored. For example, I might hold that it is a "fact" that chocolate is tasty, even though I recognize that it is not tasty to everyone. This would imply that there are facts that are "subjective". (Analogously, one might hold that it is a fact that it is winter in the Northern Hemisphere, even though this is not always the case, implying
Cogito, ergo sum itself is good and pleasant (...) and if one who sees is conscious that he sees, one who hears that he hears, one who walks that he walks and similarly for all the other human activities there is a faculty that is conscious of their exercise, so that whenever we perceive, we are conscious that we perceive, and whenever we think, we are conscious that we think, and to be conscious that we are perceiving or thinking is to be conscious that we exist... ("Nicomachean Ethics", 1170a25 ff.) Augustine of Hippo in "De Civitate Dei" writes "Si […] fallor, sum"