Logicandapplications2023/class_27_19102023/summary.txt

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2023-10-19 11:39:26 +05:30
Applications of CT
-- class of structures which has finitely many elements is not
definable in FO with equality.
-- class of graphs G=(V,E,a,b) where there is a path from a to b is
not definable in FO with signature <{a,b},{},{R(,)}>