For Anscombe a solitary activity is intentional if the agent has self-knowledge of what she is doing. Analogously one might think that to partake in shared intentional activities is for the agents involved to have plural or collective self-knowledge of what they are doing together. I call this ‘the Plural Practical Knowledge Thesis’ (PPK). While some authors have advanced related theses about the nature of the knowledge involved in shared practical activities (see Laurence, B. [2011]. “An Anscombian Approach to Collective Action.” In Essays on Anscombe’s Intention, edited by Anton Ford, Jennifer Hornsby, and Frederick Stoutland. Cambridge: Harvard UP; Schmid, H.-B. [2016]. “On Knowing What We Are Doing Together.” In The Epistemic Life of Groups: Essays in the Epistemology of Collectives, edited by Michael S. Brady, and Miranda Fricker. Oxford: Oxford UP; Rödl, S. [2015]. “Joint Action and Recursive Consciousness of Consciousness.” Phenomenology and Cognitive Sciences