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Re: bug? f'[x]'


    FullForm /@ {f'[x], f[x]'}
{Derivative[1][f][x], Derivative[1][f[x]]}

    FullForm /@ {f''[x], f'[x]'}
{Derivative[2][f][x], Derivative[2][f][x]}


Benjamin.R.Lewis at gmail.com wrote:
> G'day,
> 
> In[]:= f'[x] =!= f[x]' && f''[x] === f'[x]'
> Out[]= True
> 
> Can anyone explain this?
> 
> -Ben
> 

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