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Ideas of Fred Sommers, by Text
[American, fl. 1963, Was at Columbia University, then at Brandeis University.]
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p.355
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p.57
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13127
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Categories can't overlap; they are either disjoint, or inclusive [Westerhoff]
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2005
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Intellectual Autobiography
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p.26
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18903
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Sommers promotes the old idea that negation basically refers to terms [Engelbretsen]
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p.26
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18904
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'Predicable' terms come in charged pairs, with one the negation of the other [Engelbretsen]
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Intro
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p.2
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18893
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Translating into quantificational idiom offers no clues as to how ordinary thinkers reason
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'Category'
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p.3
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18894
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Predicates form a hierarchy, from the most general, down to names at the bottom
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'Existence'
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p.19
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18901
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Truthmakers are facts 'of' a domain, not something 'in' the domain
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'How We'
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p.8
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18895
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Logic which maps ordinary reasoning must be transparent, and free of variables
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'Realism'
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p.17
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18900
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Unfortunately for realists, modern logic cannot say that some fact exists
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'Reference'
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p.16
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18898
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In standard logic, names are the only way to refer
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'Syllogistic'
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p.14
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18897
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Predicate logic has to spell out that its identity relation '=' is an equivalent relation
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