Browsing by Author "Laskowski, Michael C."
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Item Counting Siblings in Universal Theories(Cambridge University Press, 2022-01-10) Braunfield, Samuel; Laskowski, Michael C.We show that if a countable structure M in a finite relational language is not cellular, then there is an age-preserving N⊇M such that 2ℵ0 many structures are bi-embeddable with N. The proof proceeds by a case division based on mutual algebraicity.