16 ideas
18901 | Truthmakers are facts 'of' a domain, not something 'in' the domain [Sommers] |
4742 | Correspondence may be one-many or many one, as when either p or q make 'p or q' true [Armstrong] |
18904 | 'Predicable' terms come in charged pairs, with one the negation of the other [Sommers, by Engelbretsen] |
18895 | Logic which maps ordinary reasoning must be transparent, and free of variables [Sommers] |
18897 | Predicate logic has to spell out that its identity relation '=' is an equivalent relation [Sommers] |
18893 | Translating into quantificational idiom offers no clues as to how ordinary thinkers reason [Sommers] |
18903 | Sommers promotes the old idea that negation basically refers to terms [Sommers, by Engelbretsen] |
18894 | Predicates form a hierarchy, from the most general, down to names at the bottom [Sommers] |
18900 | Unfortunately for realists, modern logic cannot say that some fact exists [Sommers] |
9497 | Without modality, Armstrong falls back on fictionalism to support counterfactual laws [Bird on Armstrong] |
15550 | Properties are contingently existing beings with multiple locations in space and time [Armstrong, by Lewis] |
4743 | The truth-maker for a truth must necessitate that truth [Armstrong] |
18898 | In standard logic, names are the only way to refer [Sommers] |
4798 | In recent writings, Armstrong makes a direct identification of necessitation with causation [Armstrong, by Psillos] |
11945 | In addition to laws, God must also create appropriate natures for things [Leibniz] |
19348 | All that is real in motion is the force or power which produces change [Leibniz] |