Non-standard model of arithmetic 1970-01-01
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O-minimal theory 1970-01-01
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Omega-categorical theory 1970-01-01
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Original proof of Gödel's completeness theorem 1970-01-01
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Potential isomorphism 1970-01-01
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Pregeometry (model theory) 1970-01-01
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Presburger arithmetic 1970-01-01
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Prime model 1970-01-01
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Pseudoelementary class 1970-01-01
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Quantifier elimination 1970-01-01
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Quantifier rank 1970-01-01
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Real closed ring 1970-01-01
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Reduced product 1970-01-01
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Satisfiability 1970-01-01
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Saturated model 1970-01-01
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Semantics of logic 1970-01-01
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Signature (logic) 1970-01-01
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Skolem's paradox 1970-01-01
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Skolem normal form 1970-01-01
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Soundness 1970-01-01
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