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10235 | A sentence is 'satisfiable' if it has a model [Shapiro] |
Full Idea: Normally, to say that a sentence Φ is 'satisfiable' is to say that there exists a model of Φ. | |
From: Stewart Shapiro (Philosophy of Mathematics [1997], 4.8) | |
A reaction: Nothing is said about whether the model is impressive, or founded on good axioms. Tarski builds his account of truth from this initial notion of satisfaction. |