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b. 239-240

composition: (Op. 4), Sonata in C minor, Mvt IV

Slur to c1 in A, contextual interpretation

Slur to a in GE (→FE,IE) & EE2

No slur in EE1

..

The range of the A slur is uncertain – in bar 239, at the end of a line, the slur suggests that it should be continued, yet in bar 240 there is no ending thereof. As was the case with the R.H. slur, we interpret the ending of the slur as reaching the end of the passage (the c1 crotchet), and this is the slur we provide in the main text.
The absence of the slur in EE1 is due to the engraver's mistake, corrected in EE2.

category imprint: Graphic ambiguousness; Differences between sources

issues: EE revisions , Errors in EE , Uncertain slur continuation , Inaccuracies in A

b. 239

composition: (Op. 4), Sonata in C minor, Mvt IV

to 6th quaver in A

 to 8th quaver in GE (→FE,EE,IE)

..

Due to the diminuendo in the next bar, the longer GE mark (→FE,EE,IE) could be considered more natural, in the main text we reproduce the  hairpin after A. Practically speaking, this difference is hardly of consequence.

category imprint: Differences between sources

issues: Scope of dynamic hairpins , GE revisions

b. 239

composition: (Op. 4), Sonata in C minor, Mvt IV

..

The natural to the last quaver (a), omitted in A, was added in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Inaccuracies in A

b. 240-241

composition: (Op. 4), Sonata in C minor, Mvt IV

Slur to f2 in A

Slur to g2 in GE (→FE,EE,IE)

..

Chopin extended the A slur for it to reach the f2 crotchet. Therefore, the version of the editions resulted from a totally unjustified arbitrary decision by the engraver of GE.

category imprint: Differences between sources; Corrections & alterations

issues: Inaccuracies in GE , Corrections in A

b. 240-241

composition: (Op. 4), Sonata in C minor, Mvt IV

Slur e2-f2 in A

No slur in GE (→FE,EE,IE)

..

The missing e2-f2 slur in GE (→FE,EE,IE) is either an oversight or a revision – making one's work easier by omitting a slur on the stave, which requires greater precision.

category imprint: Differences between sources

issues: Errors in GE