21 ideas
8988 | Two marxist ideas have dominated in France: base and superstructure, and ideology [Scruton] |
8987 | On the surface of deconstructive writing, technicalities float and then drift away [Scruton] |
8992 | Deconstruction is the last spasm of romanticism, now become hopeless and destructive [Scruton] |
18781 | Inconsistency doesn't prevent us reasoning about some system [Mares] |
18789 | Intuitionist logic looks best as natural deduction [Mares] |
18790 | Intuitionism as natural deduction has no rule for negation [Mares] |
18787 | Three-valued logic is useful for a theory of presupposition [Mares] |
18793 | Material implication (and classical logic) considers nothing but truth values for implications [Mares] |
18784 | In classical logic the connectives can be related elegantly, as in De Morgan's laws [Mares] |
18786 | Excluded middle standardly implies bivalence; attacks use non-contradiction, De M 3, or double negation [Mares] |
18780 | Standard disjunction and negation force us to accept the principle of bivalence [Mares] |
18782 | The connectives are studied either through model theory or through proof theory [Mares] |
18783 | Many-valued logics lack a natural deduction system [Mares] |
18792 | Situation semantics for logics: not possible worlds, but information in situations [Mares] |
18785 | Consistency is semantic, but non-contradiction is syntactic [Mares] |
18788 | For intuitionists there are not numbers and sets, but processes of counting and collecting [Mares] |
18791 | In 'situation semantics' our main concepts are abstracted from situations [Mares] |
8989 | The benefits of social freedom outweigh the loneliness, doubt and alienation it brings [Scruton] |
8990 | So-called 'liberation' is the enemy of freedom, destroying the very structures that are needed [Scruton] |
16713 | Philosophers are the forefathers of heretics [Tertullian] |
6610 | I believe because it is absurd [Tertullian] |