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Rickee (15) [Avatar] Offline
#1
Sect. 3.3, 2nd para. 3rd sentence:

"... is either an empty or is composed ..."

should be either

"... is either an empty list or is composed ..."

or

"... is either empty or is composed ..."
Tomas Petricek (160) [Avatar] Offline
#2
Re: grammar error on p. 68
Hi,
thanks for reporting this, it really makes the text a bit confusing! I added it to the Errata (available here: http://functional-programming.net/errata.aspx)