 The propositional knowledge that is the analysandum of the analysis of knowledge literature is paradigmatically expressed in English by sentences of the form “S knows that p”, where “S” refers to the knowing subject, and “p” to the proposition that is known. A proposed analysis consists of a statement of the following form: S knows that p if and only if j, where j indicates the analysans: paradigmatically, a list of conditions that are individually necessary and jointly sufficient for S to have knowledge that p.