"Galaxy" by Christine Alfery 22x30 Watercolor How Do We Know It Is Art? To know something is to have knowledge of something. So how do we know something? Do we used words, numbers to know something? Words and numbers can be manipulated to suit desires and needs. So we may know something that is based on desires and needs but that isn’t a kind of knowledge that can be valued and judged by all as a truth. How we know something, our knowledge of something needs to be based on facts. Words numbers need not be related to something, they can be arbitrary and based on social conventions. Facts need to be related to something, visible to all, they cannot be arbitrary. Words often are based on social conventions. If knowledge, how we know something, is based on social conventions such as words and numbers then knowledge is arbitrary. Knowledge with this kind of foundation, words and numbers based on social c...