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Discrete Math: Logic and Proofs

Rewrite the English sentence "There is an adult in your neighborhood who knows kung-fu and karate" using predicates and quantifiers.

Rewrite the English sentence "There is an adult in your neighborhood who knows kung-fu but not karate" using predicates and quantifiers.

Rewrite the English sentence "Every adult in your neighborhood knows kung-fu or karate" using predicates and quantifiers.

Rewrite the English sentence "No adult in your neighborhood knows kung-fu or karate" using predicates and quantifiers.

Prove that no integer is both even and odd using proof by contradiction.

Prove that if n2n^2 is even, then nn is even using a proof by contrapositive.

Show that T is true from the following premises using rules of inference.

Prove QRQ \land R given P    QRP \implies Q \land R and PP.

Prove TT is true given that PQP \land Q is true, PSP \lor S or PS    ¬RP \lor S \implies \lnot R is true, and RTR \lor T is true.

Translate the following predicate logic statement to English: "xy(C(x,y)R(x,y)L(x,y))\forall x \forall y ( C(x, y) \land R(x, y) \Rightarrow L(x, y) )".

Construct the truth table for the negation of a statement P.

Construct the truth table for the conjunction of two statements P and Q.

Construct the truth table for the disjunction (or) of two statements P and Q.