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Check if an object is an instance of the Alphabet class.
# S3 method for default is.Alphabet(this, ...)
An object.
Not used.
TRUE or FALSE
For more information see Alphabet.
Alphabet
# NOT RUN { # create an alphabet object a<-Alphabet() # create a PSRoot object o<-PSRoot() # check if they are alphabet objects is.Alphabet(a) is.Alphabet(o) # }
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