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- James H. Schmerl, William T. Trotter
- Discrete Mathematics
- 1993

- Manuel Lerman, James H. Schmerl
- J. Symb. Log.
- 1979

- H. Jerome Keisler, James H. Schmerl
- J. Symb. Log.
- 1991

- Imre Bárány, James H. Schmerl, Stuart J. Sidney, Jorge Urrutia
- Discrete & Computational Geometry
- 1989

A theorem of Neumann-Lara and Urrutia [3] is generalized from the plane to arbitrary n-dimensional Euclidean space R n , solving Problem 2 of [3]. By an n-ball we mean a set of the form { Theorem 1. For each n ≥ 1 there is c n > 0 such that for any finite set X Õ R n there is A Õ X, |A| ≤ 1/ 2 (n+3) , having the following property: if B ⊇ A is an n-ball,… (More)

Finite set theory, here denoted ZF fin , is the theory obtained by replacing the axiom of infinity by its negation in the usual axiomatization of ZF (Zermelo-Fraenkel set theory). An ω-model of ZF fin is a model in which every set has at most finitely many elements (as viewed externally). Mancini and Zambella (2001) employed the Bernays-Rieger method of… (More)

- Matt Kaufmann, James H. Schmerl
- Ann. Pure Appl. Logic
- 1984

- James H. Schmerl
- Math. Log. Q.
- 2000

- Roman Kossak, Henryk Kotlarski, James H. Schmerl
- Ann. Pure Appl. Logic
- 1993

- James H. Schmerl
- Arch. Math. Log.
- 2000

- James H. Schmerl
- Discrete Mathematics
- 1994