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Ch $01$ Sec $4$ Ex $29$ MAIN English Statements to Quantifications

Consider the set of all propositions. If $T(x)$ means that $x$ is a tautology and $C(x)$ means that $x$ is a contradiction, express each of these statements using logical operators, predicates, and quantifiers.

Ch $01$ Sec $4$ Ex $29($b$)-$ English Statements to Quantifications

The negation of a contradiction is a tautology.