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References
Dorothy Edgington
Possible knowledge of unknown truth![Open Access Link](images/OAlink.png)
2010
Synthese 173/1
![Open Access Link](images/OAlink.png)
The mystery of the missing boundary
2005
Philosophy and Phenomenological Research 71/3
2010
Synthese 173/1
2005
Philosophy and Phenomenological Research 71/3