1. Bellucci, F. (2014). Peirce and the unity of the proposition. Transactions of the Charles S. Peirce Society, 50, 201–219.
2. Bezuidenhout, A. (2004). Procedural meaning and the semantics/pragmatics divide. In C. Bianchi (Ed.), The semantics/pragmatics distinction (pp. 101–131). Stanford: CSLI Publications.
3. Cantú, P. (2006). Bolzano et les propositions en soi: une théorie objective des vérités. In J. Benoist (Ed.), Propositions et états de choses (pp. 51–66). Paris: Vrin, Paris.
4. Caplan, B., Tillman, C., & Reeder, P. (2010). Parts of singletons. Journal of Philosophy, 107, 501–533.
5. Collins, J. (2017). The redundancy of the act. Synthese. doi:
10.1007/s11229-017-1382-3
.