![Université dOttawa Faculté de génie University of Ottawa Faculty of Engineeing École de science informatique et de génle électrique uOttawa School of Electrical Engineering and Computer Science Canadas universiry ELG 3126 RANDOM SIGNALS AND SYSTEMS Winter 2018 ASSIGNMENT 1 Set Theory (due at 11.30 AM Thusday, Jan. 18 in class) I. Your University of Ottaa stdent number has k distinct digits in it. State the set of t and all the subsets of this set that have exactly three elements 2. If s(1,3,5, 7,91 4 3,7 and 3,F, 7), determine (i) A. (i) A, (i) A-B, (iv) Ans 3. Use De Morgans laws to show that (i) AU (B-1 C) (ATB)リ(A-C), (ii) 4. Prove that a finite set with N elements has exactly 2N subsets. 5. Prove for arbitrary sets A, B aud C thut ii A 3 and IS C, then Ac c. 6. Determine whether the following sets are finite, infinitely countable or uncouatable, and their car ARBmc dinality: A = {a, red, green, 0, 1 C-No =(0, 1, 2, ) D students currently attendig Lisgar Collegiute Efemale students currently attending Lisgar Collegiatet nta currently enrolled in an engincering program at the University of Ottawa and who were born after Jan. 1, 2009 |-|-1,2}니1.3 Determine if any of these sets is equal to any other of these sets and which is a siuhset of nnother Suppose that, for i = 1, 2, 3 . ., the set Ai is the set of real numbers from i r2li +1i2) to 3-(i/[i+1) inclusive (ie. Az = lǐ/(2i + 17% 3 . (i/ i t l)). What is the (countable) union of these events? 7. 8. Suppose that, for i 1,2,3,..., the sot A, is the set of real numbers from 1/2+2) to 22/2 exclusive {i.e.. A,-(1/[i + 2], 2 + [2/i])), what is the (countable) intersection of these events? 9. Suppose that, for i 1,2,3,..,the set A, is the set of real numbers from ie lie ,3+ (1/i)). What is the (countable) union of these events? to 3+(1/1) inclusive i.e., A Prove that union of any finite number of countably infinite sets is countably infinite. Hint: Recall that a set is countable if it is finite or countably ininite. Remark: It is not to hard to prove an even stronger statement: Any countable union of countable sets is countable. 10. If set A and B are two countably intinite sets, what are the possible cardinalities of (i) AU B and (ii) An B? Give examples. 11.](http://img.homeworklib.com/questions/f5396fe0-cdbc-11eb-9614-275174ab85df.png?x-oss-process=image/resize,w_560)
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JUST DO QUESTION 4
Université d'Ottawa Faculté de génie University of Ottawa Faculty of Engineeing École...
answer question 5 please 3 and 4 are just included to refer to the theorems 3...
answer question 5 please 3 and 4 are just included to
refer to the theorems
3 Prove the following theorem: Theorem 2.2. Let S be a ser. The following statements are equivalent: (1) S is a countable set, i. e. there exists an injective function :S (2) Either S is the empty ser 6 or there exists a surjective function g: N (3) Either S is a finite set or there exists a bijective function h: N S (4) Prove...
all parts A-E please. Problem 8.43. For sake of a contradiction, assume the interval (0,1) is countable. Then there exists a bijection f : N-> (0,1). For each n є N, its image under f is some numb...
all parts A-E please.
Problem 8.43. For sake of a contradiction, assume the interval (0,1) is countable. Then there exists a bijection f : N-> (0,1). For each n є N, its image under f is some number in (0, 1). Let f(n) :-0.aina2na3n , where ain 1s the first digit in the decimal form for the image of n, a2 is the second digit, and so on. If f (n) terminates after k digits, then our convention will be...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and B are in S, then An B є s. (a) Given () and (ii), show that the following two conditions are equivalent: (i)IAES, then the complement of A is a finite union of disjoint sets inS (ii) If A, B є s. then the set difference B \A is a finite union of disjont sets in ş (b) Suppose S satisfies (0), (ii), and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and B are in S, then An B є s. (a) Given () and (ii), show that the following two conditions are equivalent: (i)IAES, then the complement of A is a finite union of disjoint sets inS (ii) If A, B є s. then the set difference B \A is a finite union of disjont sets in ş (b) Suppose S satisfies (0), (ii), and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and B are in S, then An B є s. (a) Given () and (ii), show that the following two conditions are equivalent: (i)IAES, then the complement of A is a finite union of disjoint sets inS (ii) If A, B є s. then the set difference B \A is a finite union of disjont sets in ş (b) Suppose S satisfies (0), (ii), and...
1. Determine whether each of these sets is countable or uncountable. For those that are countably...
please explain it step by step(
not use the example with number) thanks
1. Determine whether each of these sets is countable or uncountable. For those that are countably infinite, prove that the set is countably infinite. (a) integers not divisible by 3. (b) integers divisible by 5 but not 7 c: i.he mal ilullilbers with1 € lex"Juual reprtrainiatious" Du:"INǐ lli!", of all is. d) the real numbers with decimal representations of all 1s or 9s.
1. Determine whether each...
5- Recall that a set KCR is said to be compact if every open cover for...
5- Recall that a set KCR is said to be compact if every open cover for K has a finite subcover 5-1) Use the above definition to prove that if A and B are two compact subsets of R then AUB is compact induction to show that a finite union of compact subsets of R is compact. 5-2) Now use 5-3) Let A be a nonempty finite subset of R. Prove that A is compact 5-4) Give an example of...
1. Show that if A and B are countable sets, then AUB is countable. 2. Show...
1. Show that if A and B are countable sets, then AUB is countable. 2. Show that if An are finite sets indexed by positive integers, then Un An is countable. 3. Show that if A and B are countable sets, then A x B is countable. 4. Show that any open set in R is a countable union of open intervals. 5. Show that any function on R can have at most countable many local maximals. Us
Identify the correct steps involved in proving that the union of a countable number of countable...
Identify the correct steps involved in proving that the union of a countable number of countable sets is countable. (Check all that apply.) Check All That Apply Since empty sets do not contribute any elements to unions, we can assume that none of the sets in our given countable collection of countable sets is an empty set. If there are no sets in the collection, then the union is empty and therefore countable, Otherwise let the countable sets be As,...
cept of a randon PROBLEMS 1.1-1. Specify the following sets by the rule method. A= (1,2,3),...
cept of a randon PROBLEMS 1.1-1. Specify the following sets by the rule method. A= (1,2,3), B = (8, 10, 12. 14), C (1, 3, 5, 7,... 1.1-2. Use the tabular method to specify a class of sets for the sets of Problem 1.1-1. uncountable, or finite or infinite. A (1), B= (x= 1}, C ={0 < integers), D = (children in public school No. 5), E={girls in public school No. 5), F = {girls in class in public 1.1-3....
answer question 5 please 3 and 4 are just included to
refer to the theorems
3 Prove the following theorem: Theorem 2.2. Let S be a ser. The following statements are equivalent: (1) S is a countable set, i. e. there exists an injective function :S (2) Either S is the empty ser 6 or there exists a surjective function g: N (3) Either S is a finite set or there exists a bijective function h: N S (4) Prove...
all parts A-E please.
Problem 8.43. For sake of a contradiction, assume the interval (0,1) is countable. Then there exists a bijection f : N-> (0,1). For each n є N, its image under f is some number in (0, 1). Let f(n) :-0.aina2na3n , where ain 1s the first digit in the decimal form for the image of n, a2 is the second digit, and so on. If f (n) terminates after k digits, then our convention will be...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and B are in S, then An B є s. (a) Given () and (ii), show that the following two conditions are equivalent: (i)IAES, then the complement of A is a finite union of disjoint sets inS (ii) If A, B є s. then the set difference B \A is a finite union of disjont sets in ş (b) Suppose S satisfies (0), (ii), and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and B are in S, then An B є s. (a) Given () and (ii), show that the following two conditions are equivalent: (i)IAES, then the complement of A is a finite union of disjoint sets inS (ii) If A, B є s. then the set difference B \A is a finite union of disjont sets in ş (b) Suppose S satisfies (0), (ii), and...
Question 4. Suppose S is a collection of subsets in 2 satisfying (ii) If A and B are in S, then An B є s. (a) Given () and (ii), show that the following two conditions are equivalent: (i)IAES, then the complement of A is a finite union of disjoint sets inS (ii) If A, B є s. then the set difference B \A is a finite union of disjont sets in ş (b) Suppose S satisfies (0), (ii), and...
please explain it step by step(
not use the example with number) thanks
1. Determine whether each of these sets is countable or uncountable. For those that are countably infinite, prove that the set is countably infinite. (a) integers not divisible by 3. (b) integers divisible by 5 but not 7 c: i.he mal ilullilbers with1 € lex"Juual reprtrainiatious" Du:"INǐ lli!", of all is. d) the real numbers with decimal representations of all 1s or 9s.
1. Determine whether each...
5- Recall that a set KCR is said to be compact if every open cover for K has a finite subcover 5-1) Use the above definition to prove that if A and B are two compact subsets of R then AUB is compact induction to show that a finite union of compact subsets of R is compact. 5-2) Now use 5-3) Let A be a nonempty finite subset of R. Prove that A is compact 5-4) Give an example of...
1. Show that if A and B are countable sets, then AUB is countable. 2. Show that if An are finite sets indexed by positive integers, then Un An is countable. 3. Show that if A and B are countable sets, then A x B is countable. 4. Show that any open set in R is a countable union of open intervals. 5. Show that any function on R can have at most countable many local maximals. Us
Identify the correct steps involved in proving that the union of a countable number of countable sets is countable. (Check all that apply.) Check All That Apply Since empty sets do not contribute any elements to unions, we can assume that none of the sets in our given countable collection of countable sets is an empty set. If there are no sets in the collection, then the union is empty and therefore countable, Otherwise let the countable sets be As,...
cept of a randon PROBLEMS 1.1-1. Specify the following sets by the rule method. A= (1,2,3), B = (8, 10, 12. 14), C (1, 3, 5, 7,... 1.1-2. Use the tabular method to specify a class of sets for the sets of Problem 1.1-1. uncountable, or finite or infinite. A (1), B= (x= 1}, C ={0 < integers), D = (children in public school No. 5), E={girls in public school No. 5), F = {girls in class in public 1.1-3....
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