@article{Wahlberg2009-WAHIPH,abstract = {It is argued that philosophers who adopt the perdurance theory of persistence and who subscribe to the principle of Unrestricted Mereological Composition (UMC) are in a position to regard ''Phosphorus is Hesperus'' as false.},author = {Tobias Hansson Wahlberg},title = {Is Phosphorus Hesperus?},number = {1},volume = {19},journal = {Axiomathes},pages = {101--102},year = {2009}}@