The essentially free spectrum of a variety
classification
🧮 math.LO
math.RA
keywords
freeessentiallyspectrumvarietyalgebrasalmostcardinalsclass
read the original abstract
We partially prove a conjecture from [MkSh:366] which says that the spectrum of almost free, essentially free, non-free algebras in a variety is either empty or consists of the class of all successor cardinals.
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