Logicandapplications2023/class_18_and_19_25and26092023/summary.txt

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Class 18 : \Sigma is consistent => \Sigma is satisfiable.
-- Construction of MCS from a consistent set
Class 19 :
-- proof of satisfiability of Maximal consistent set construted in the previous class.
Thus completing the proof of consistency implies satisfiability
-- Completeness Theorem for PL
-- compactness theorem using completeness
-- maximal satisfiability Iff maximal consistency