It is difficult to conclusively say where the differences in the L.H. part slurs come from. We could assume that Chopin was adding slurs to the initial text, with no slurs – cf. the note on bars 68-75 – and that the way he did it in A differed from the one he did it in [FC] or FE1. Such a scenario is supported by the situation in analogous bars 260-261, in which there are no slurs in the L.H. in FE, which could be explained by the fact that Chopin overlooked them while adding slurs to this edition or to the basis thereof, [FC]. Both source versions, undoubtedly authentic, may be considered equal variants; in the main text we give the slurs of the principal source, that is A.
See b. 93-97
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category imprint: Differences between sources; Corrections & alterations
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notation: Slurs