Abstract Criteria and constructive methods for the completion of an incomplete basis of, or context in, a four-dimensional Hilbert space by (in)decomposable vectors are given.

Feminist theorists have long looked to motherhood and mothering behaviour as an important site at which examine women’s lives, gender inequality the social construction of gendered institutions. One line theorisation has concerned itself with de-essentialisation motherhood, a project that I argue remains incomplete, feminist naturalises biological sex therefore essentialises performed by ‘femal...