12 нояб. 2015 г. · This is commonly called a "propositional calculus", and it is a logic where letters stand in for complete declarative sentences.

8 апр. 2022 г. · First order logic refers directly to specific elements. Second order logic speaks of properties that refer to elements. We can e.g. speak of the ...

28 авг. 2020 г. · There's no algorithmic way to define when a sentence of second-order logic follows from certain other sentences.

2 июл. 2019 г. · Second order logic adds quantification over properties of objects, as in, 'I don't like some of the ways you are'. It can also be used to ...

17 авг. 2018 г. · 2nd order logic allows you to quantify over predicates. It is used in calculus for example for Dedekind's definition of the reals as the order ...

14 июн. 2016 г. · 2nd order logic allows you to quantify over predicates. It is used in calculus for example for Dedekind's definition of the reals as the order ...

23 июл. 2019 г. · One proof that second order logic cannot be reduced to first-order comes from the fact that the Löwenheim-Skolem Theorem (LST) holds for first- ...

12 июл. 2019 г. · It claimed that second-order logic cannot be reduced to first-order logic when there exists a proof to the contrary.

8 мая 2022 г. · In second-order logic, one can create a set of sentences which is satisfiable only in structures with uncountable domains.

24 окт. 2019 г. · You certainly mean "second-order logic". Second-order logic is an extension of first-order logic where quantifiers act on properties besides ...