Given the properties of the natural numbers N and integers N (i) m, n € Z➡➡m+n, m-n, mn € Z (ii) If m € Z, then m EN m≥1 (iii) There is no m € Z that satisfies 0 np for n < 0,q> 0. (d) Show that the sum a rational number and an irrational number is always irrational.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question 1 

Given the properties of the natural numbers N and integers N
(i) m, n € Z ⇒ m+n,m-n, mn € Z
(ii) If mEZ, then meN
m≥1
(iii) There is no m€ Z that satisfies 0 <m < 1.
For integers m, n, p, q E Z, n, q0, use this and the field axioms
(a) Provem + P
mg+np and.
mp
9
ng
9
nq
(b) Show that the field axioms also hold for rational numbers Q.
(c) Prove <
2
mq> np for n < 0,q> 0.
(d) Show that the sum a rational number and an irrational number is always irrational.
Transcribed Image Text:Given the properties of the natural numbers N and integers N (i) m, n € Z ⇒ m+n,m-n, mn € Z (ii) If mEZ, then meN m≥1 (iii) There is no m€ Z that satisfies 0 <m < 1. For integers m, n, p, q E Z, n, q0, use this and the field axioms (a) Provem + P mg+np and. mp 9 ng 9 nq (b) Show that the field axioms also hold for rational numbers Q. (c) Prove < 2 mq> np for n < 0,q> 0. (d) Show that the sum a rational number and an irrational number is always irrational.
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Assistance with (a) to (d) 

Given the properties of the natural numbers N and integers N
(i) m, n € Z ⇒ m+n,m-n, mn € Z
(ii) If mEZ, then meN
m≥1
(iii) There is no m€ Z that satisfies 0 <m < 1.
For integers m, n, p, q E Z, n, q0, use this and the field axioms
(a) Provem + P
mg+np and.
mp
9
ng
9
nq
(b) Show that the field axioms also hold for rational numbers Q.
(c) Prove <
2
mq> np for n < 0,q> 0.
(d) Show that the sum a rational number and an irrational number is always irrational.
Transcribed Image Text:Given the properties of the natural numbers N and integers N (i) m, n € Z ⇒ m+n,m-n, mn € Z (ii) If mEZ, then meN m≥1 (iii) There is no m€ Z that satisfies 0 <m < 1. For integers m, n, p, q E Z, n, q0, use this and the field axioms (a) Provem + P mg+np and. mp 9 ng 9 nq (b) Show that the field axioms also hold for rational numbers Q. (c) Prove < 2 mq> np for n < 0,q> 0. (d) Show that the sum a rational number and an irrational number is always irrational.
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