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Unformatted text preview: A B C then A C . 3. Show that if A B C then A C . 4. Finish the proof of the Upward LowenheimSkolem Theorem. That is, assuming A is an innite Lstructure and an innite cardinality, nd an elementary extension of A of cardinality exactly ....
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This note was uploaded on 04/11/2011 for the course MATH 5020 taught by Professor Staff during the Spring '11 term at North Texas.
 Spring '11
 staff
 Math, Set Theory

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