A particular figure of absence seems to possess a suspicious connotative efficacy in its deployment within language and as a visual figure. What is at stake in the use of the empty square? A clue to answering lies in the relation of two series which can be used to describe the mechanisms of computation. These are: the series of creation, including invention, birth, production, etc.; and the series of rule, including conditionality, boundary, possibility, etc. The two series are clearly gendered opposites that correlate with Oedipal principles.