17 ideas
18901 | Truthmakers are facts 'of' a domain, not something 'in' the domain [Sommers] |
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] |
13795 | Properties only have identity in the context of their contraries [Elder] |
13798 | Maybe we should give up the statue [Elder] |
13797 | The loss of an essential property means the end of an existence [Elder] |
13794 | Essential properties by nature occur in clusters or packages [Elder] |
13796 | Essential properties are bound together, and would be lost together [Elder] |
18898 | In standard logic, names are the only way to refer [Sommers] |
1470 | Belief in an afterlife may be unverifiable in this life, but it will be verifiable after death [Hick, by PG] |
1471 | It may be hard to verify that we have become immortal, but we could still then verify religious claims [Hick, by PG] |
1469 | Some things (e.g. a section of the expansion of PI) can be verified but not falsified [Hick, by PG] |