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Ideas for
'Logical Properties', 'Relations' and 'Community and Citizenship'
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7 ideas
5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
6051
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In 'x is F and x is G' we must assume the identity of x in the two statements [McGinn]
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6055
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Both non-contradiction and excluded middle need identity in their formulation [McGinn]
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6059
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Identity is unitary, indefinable, fundamental and a genuine relation [McGinn]
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5. Theory of Logic / G. Quantification / 1. Quantification
6042
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The quantifier is overrated as an analytical tool [McGinn]
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6067
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Existential quantifiers just express the quantity of things, leaving existence to the predicate 'exists' [McGinn]
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5. Theory of Logic / G. Quantification / 3. Objectual Quantification
6069
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'Partial quantifier' would be a better name than 'existential quantifier', as no existence would be implied [McGinn]
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5. Theory of Logic / G. Quantification / 7. Unorthodox Quantification
6068
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We need an Intentional Quantifier ("some of the things we talk about.."), so existence goes into the proposition [McGinn]
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