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Ideas of Horsten,L/Pettigrew,R, by Text
[, fl. 2011, Professors at the University of Bristol.]
2014
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Mathematical Methods in Philosophy
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1
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p.15
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18739
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Three stages of philosophical logic: syntactic (1905-55), possible worlds (1963-85), widening (1990-)
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2
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p.16
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18741
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Logical formalization makes concepts precise, and also shows their interrelation
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2
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p.16
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18740
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If 'exist' doesn't express a property, we can hardly ask for its essence
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3
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p.18
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18745
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A Tarskian model can be seen as a possible state of affairs
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3
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p.18
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18744
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Models are sets with functions and relations, and truth built up from the components
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3
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p.19
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18746
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Possible worlds models contain sets of possible worlds; this is a large metaphysical commitment
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4
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p.19
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18747
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The 'spheres model' was added to possible worlds, to cope with counterfactuals
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4
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p.19
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18748
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Epistemic logic introduced impossible worlds
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5
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p.26
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18750
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Using possible worlds for knowledge and morality may be a step too far
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