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14454 | An argument 'satisfies' a function φx if φa is true [Russell] |
Full Idea: We say that an argument a 'satisfies' a function φx if φa is true. | |
From: Bertrand Russell (Introduction to Mathematical Philosophy [1919], XV) | |
A reaction: We end up with Tarski defining truth in terms of satisfaction, so we shouldn't get too excited about what he achieved (any more than he got excited). |