26 ideas
10757 | Henkin semantics has a second domain of predicates and relations (in upper case) [Rossberg] |
10751 | Second-order logic needs the sets, and its consequence has epistemological problems [Rossberg] |
10759 | There are at least seven possible systems of semantics for second-order logic [Rossberg] |
10753 | Logical consequence is intuitively semantic, and captured by model theory [Rossberg] |
10752 | Γ |- S says S can be deduced from Γ; Γ |= S says a good model for Γ makes S true [Rossberg] |
10754 | In proof-theory, logical form is shown by the logical constants [Rossberg] |
10756 | A model is a domain, and an interpretation assigning objects, predicates, relations etc. [Rossberg] |
10758 | If models of a mathematical theory are all isomorphic, it is 'categorical', with essentially one model [Rossberg] |
10761 | Completeness can always be achieved by cunning model-design [Rossberg] |
10755 | A deductive system is only incomplete with respect to a formal semantics [Rossberg] |
16764 | The soul conserves the body, as we see by its dissolution when the soul leaves [Toletus] |
22673 | Wherever there is a small community, the association of the people is natural [Tocqueville] |
22676 | The people are just individuals, and only present themselves as united to foreigners [Tocqueville] |
22679 | Vast empires are bad for well-being and freedom, though they may promote glory [Tocqueville] |
22680 | People would be much happier and freer in small nations [Tocqueville] |
22675 | In American judges rule according to the Constitution, not the law [Tocqueville] |
22677 | A monarchical family is always deeply concerned with the interests of the state [Tocqueville] |
22683 | Despots like to see their own regulations ignored, by themselves and their agents [Tocqueville] |
22669 | Aristocracy is constituted by inherited landed property [Tocqueville] |
22674 | In Europe it is thought that local government is best handled centrally [Tocqueville] |
22678 | An election, and its lead up time, are always a national crisis [Tocqueville] |
22682 | Universal suffrage is no guarantee of wise choices [Tocqueville] |
22670 | Slavery undermines the morals and energy of a society [Tocqueville] |
22681 | The liberty of the press is more valuable for what it prevents than what it promotes [Tocqueville] |
22672 | It is admirable to elevate the humble to the level of the great, but the opposite is depraved [Tocqueville] |
22671 | Equality can only be established by equal rights for all (or no rights for anyone) [Tocqueville] |