A Differend is concerned with the problem of how to united two heterogenous spheres without any relation between them.
The Differend is a conflict that is irresolvable for lack of a rule of judgment applicable to both arguments.
A Differend is an injustice that is not litigable because the parties in conflict don't share the same rules of cognition, the same rules for linking phrases.
The Differend is the ungraspable, but rich and meaningful space of loss that occurs when one discourse is translated into the terms of another discourse.
The Differend is the impossible act of thinking the unity beyond the distinction of unity and difference which we need not resolve, but must bear witness to.
The Differend is a book that argues that disputes between incommensurable positions cannot be resolved without injustice to one side or the other.