Diminished fourth - enharmonic to major third.
A sharp.
The enharmonic equivalent to A-flat is G-sharp; The enharmonic equivalent to G-flat is F-sharp.
D-flat
F
The enharmonic tone for F is E sharp.
E natural
E Flat Minor
D sharp minor
Do you mean the note? An enharmonic of D sharp is E flat.
Diminished fourth - enharmonic to major third.
A double sharp is the enharmonic of B nature
F sharp is the enharmonic.
F sharp is the enharmonic.
B flat
A sharp
A sharp.