The principle of the indiscernibility of identicals requires no restrictions

@article{Maunu2017ThePO,
  title={The principle of the indiscernibility of identicals requires no restrictions},
  author={Ari Maunu},
  journal={Synthese},
  year={2017},
  volume={196},
  pages={239-246}
}
There is a certain argument against the principle of the indiscernibility of identicals (PInI), or the thesis that whatever is true of a thing is true of anything identical with that thing. In this argument, PInI is used together with the self-evident principle of the necessity of self-identity (“necessarily, a thing is identical with itself”) to reach the conclusion , which is held to be paradoxical and, thus, fatal to PInI (in its universal, unrestricted form). My purpose is to show that the… 
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