In this particular piece, she argues that the public face of mathematics as established and non-negotiable knowledge leads to an invisibility of its actual processes of development, along rather the same lines as discussed in the previous chapter. Thus she quotes rather Polanyi and Prosch (1975, p. 63) as arguing that “the processes of knowing… are rooted in personal acts of tacit integration… Scientific enquiry is accordingly a dynamic exercise of the imagination and is rooted in commitments and beliefs about the nature of things.