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'Mahaprajnaparamitashastra', 'works' and 'Semantic Relationism'
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9 ideas
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
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11065
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The inferential role of a logical constant constitutes its meaning [Gentzen, by Hanna]
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11023
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The logical connectives are 'defined' by their introduction rules [Gentzen]
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11213
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Each logical symbol has an 'introduction' rule to define it, and hence an 'elimination' rule [Gentzen]
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5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
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15590
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It seemed that Frege gave the syntax for variables, and Tarski the semantics, and that was that [Fine,K]
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15591
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In separate expressions variables seem identical in role, but in the same expression they aren't [Fine,K]
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15595
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The 'algebraic' account of variables reduces quantification to the algebra of its component parts [Fine,K]
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15594
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'Instantial' accounts of variables say we grasp arbitrary instances from their use in quantification [Fine,K]
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15592
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The usual Tarskian interpretation of variables is to specify their range of values [Fine,K]
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15593
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Variables can be viewed as special terms - functions taking assignments into individuals [Fine,K]
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