Give a counter-example in each case in which the relation does not satisfy one o

Question

Give a counter-example in each case in which the relation does not satisfy one of the specified properties. A collection of numbers M is defined recursively by these two rules: 2 and 3 belong to M and If X and Y belong to M, then so does X*Y. Which of the following numbers belong to M? 6 9 16 21 26 54 72 218. How many injective functions are there from the set {a, b c, d, e, f} into {1,2,3} ? A club with 10 women and 7 men needs to form a committee of size 5. Answer the following being careful to show your answer in terms of the combinatorial functions you would use. Do not give a numerical answer. How many committees are possible? How many committees are possible if a committee must have 3 women and 2 men? How many committees are possible if a committee must consist of all men? How many committees are possible if a committee must have not less than two women? Is the following statement true, false or neither: "x is prime." Give a reason for your answer. Write a formal statement in the predicate logic for the statement: "Some cats chase all squirrels." Let the universe be all things. Use the following for your statements: C(x) = "x is a cat, S(x)= "x is is a squirrel", and Ch(x, y) = "x chases y".

Explanation / Answer

pls rate it!!

3)6,54,72

4)20

5)neither

6)vch(c(x),s(x)

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