The authenticity of the version with c3 is undeniable – Chopin fingered it twice and heard it then during the lessons. However, it cannot be said of the version with c
3 – the copyist or reviser of EE could have added a 
, considering the failure to preserve the rule of parallel movement of the voices to be a sign of mistake. However, it does not mean that it was like that – it could have also been Chopin that introduced this variation.
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category imprint: Differences between sources
issues: EE revisions
notation: Pitch