44 ideas
9023 | If you say that a contradiction is true, you change the meaning of 'not', and so change the subject [Quine] |
9012 | Talk of 'truth' when sentences are mentioned; it reminds us that reality is the point of sentences [Quine] |
9011 | Truth is redundant for single sentences; we do better to simply speak the sentence [Quine] |
9013 | We can eliminate 'or' from our basic theory, by paraphrasing 'p or q' as 'not(not-p and not-q)' [Quine] |
9020 | My logical grammar has sentences by predication, then negation, conjunction, and existential quantification [Quine] |
9028 | Maybe logical truth reflects reality, but in different ways in different languages [Quine] |
10014 | Quine rejects second-order logic, saying that predicates refer to multiple objects [Quine, by Hodes] |
10828 | Quantifying over predicates is treating them as names of entities [Quine] |
9024 | Excluded middle has three different definitions [Quine] |
10012 | Quantification theory can still be proved complete if we add identity [Quine] |
9016 | Names are not essential, because naming can be turned into predication [Quine] |
9015 | Universal quantification is widespread, but it is definable in terms of existential quantification [Quine] |
9025 | You can't base quantification on substituting names for variables, if the irrationals cannot all be named [Quine] |
9026 | Some quantifications could be false substitutionally and true objectually, because of nameless objects [Quine] |
10705 | Putting a predicate letter in a quantifier is to make it the name of an entity [Quine] |
9027 | A sentence is logically true if all sentences with that grammatical structure are true [Quine] |
9017 | Predicates are not names; predicates are the other parties to predication [Quine] |
9018 | A physical object is the four-dimensional material content of a portion of space-time [Quine] |
9019 | Four-d objects helps predication of what no longer exists, and quantification over items from different times [Quine] |
9014 | Some conditionals can be explained just by negation and conjunction: not(p and not-q) [Quine] |
9009 | Single words are strongly synonymous if their interchange preserves truth [Quine] |
9007 | It makes no sense to say that two sentences express the same proposition [Quine] |
9008 | There is no rule for separating the information from other features of sentences [Quine] |
9010 | We can abandon propositions, and just talk of sentences and equivalence [Quine] |
9021 | A good way of explaining an expression is saying what conditions make its contexts true [Quine] |
6000 | The goal is rationality in the selection of things according to nature [Diogenes of Babylon, by Blank] |
5999 | The good is what is perfect by nature [Diogenes of Babylon, by Blank] |
6001 | Justice is a disposition to distribute according to desert [Diogenes of Babylon, by Blank] |
7337 | In Mosaic legal theory, crimes are sins and sins are crimes [Johnson,P] |
7339 | Because human life is what is sacred, Mosaic law has no death penalty for property violations [Johnson,P] |
7353 | The Pharisees undermined slavery, by giving slaves responsibility and status in law courts [Johnson,P] |
7340 | Mosaic law was the first to embody the rule of law, and equality before the law [Johnson,P] |
7338 | Man's life is sacred, because it is made in God's image [Johnson,P] |
7348 | The Jews sharply distinguish human and divine, but the Greeks pull them closer together [Johnson,P] |
7355 | The Torah pre-existed creation, and was its blueprint [Johnson,P] |
7336 | A key moment is the idea of a single moral God, who imposes his morality on humanity [Johnson,P] |
7341 | Sampson illustrates the idea that religious heroes often begin as outlaws and semi-criminals [Johnson,P] |
7342 | Isaiah moved Israelite religion away from the local, onto a more universal plane [Johnson,P] |
7344 | Judaism involves circumcision, Sabbath, Passover, Pentecost, Tabernacles, New Year, and Atonement [Johnson,P] |
7345 | In exile the Jews became a nomocracy [Johnson,P] |
7347 | Zoroastrians believed in one eternal beneficent being, Creator through the holy spirit [Johnson,P] |
7349 | Immortality based on judgement of merit was developed by the Egyptians (not the Jews) [Johnson,P] |
7354 | The main doctrine of the Pharisees was belief in resurrection and the afterlife [Johnson,P] |
7356 | Pious Jews saw heaven as a vast library [Johnson,P] |