34 ideas
6294 | In the beginning was the Word, and the Word was with God, and the word was God [John] |
8821 | Jesus said he bore witness to the truth. Pilate asked, What is truth? [John] |
12204 | The logic of metaphysical necessity is S5 [Rumfitt] |
10455 | Free logic at least allows empty names, but struggles to express non-existence [Bach] |
12195 | Soundness in argument varies with context, and may be achieved very informally indeed [Rumfitt] |
12199 | There is a modal element in consequence, in assessing reasoning from suppositions [Rumfitt] |
12201 | We reject deductions by bad consequence, so logical consequence can't be deduction [Rumfitt] |
10454 | In first-order we can't just assert existence, and it is very hard to deny something's existence [Bach] |
12194 | Contradictions include 'This is red and not coloured', as well as the formal 'B and not-B' [Rumfitt] |
10453 | In logic constants play the role of proper names [Bach] |
10452 | Proper names can be non-referential - even predicate as well as attributive uses [Bach] |
10456 | Millian names struggle with existence, empty names, identities and attitude ascription [Bach] |
10440 | An object can be described without being referred to [Bach] |
10444 | Definite descriptions can be used to refer, but are not semantically referential [Bach] |
12198 | Geometrical axioms in logic are nowadays replaced by inference rules (which imply the logical truths) [Rumfitt] |
14532 | A distinctive type of necessity is found in logical consequence [Rumfitt, by Hale/Hoffmann,A] |
12193 | Logical necessity is when 'necessarily A' implies 'not-A is contradictory' [Rumfitt] |
12200 | A logically necessary statement need not be a priori, as it could be unknowable [Rumfitt] |
12202 | Narrow non-modal logical necessity may be metaphysical, but real logical necessity is not [Rumfitt] |
12203 | If a world is a fully determinate way things could have been, can anyone consider such a thing? [Rumfitt] |
10446 | Fictional reference is different inside and outside the fiction [Bach] |
10447 | We can refer to fictional entities if they are abstract objects [Bach] |
10443 | You 'allude to', not 'refer to', an individual if you keep their identity vague [Bach] |
10439 | What refers: indefinite or definite or demonstrative descriptions, names, indexicals, demonstratives? [Bach] |
10441 | If we can refer to things which change, we can't be obliged to single out their properties [Bach] |
10442 | We can think of an individual without have a uniquely characterizing description [Bach] |
10445 | It can't be real reference if it could refer to some other thing that satisfies the description [Bach] |
10457 | Since most expressions can be used non-referentially, none of them are inherently referential [Bach] |
10463 | Just alluding to or describing an object is not the same as referring to it [Bach] |
10459 | Context does not create reference; it is just something speakers can exploit [Bach] |
10460 | 'That duck' may not refer to the most obvious one in the group [Bach] |
10461 | What a pronoun like 'he' refers back to is usually a matter of speaker's intentions [Bach] |
10462 | Information comes from knowing who is speaking, not just from interpretation of the utterance [Bach] |
10458 | People slide from contextual variability all the way to contextual determination [Bach] |