4. ◮ You are expected also to utilise textbooks from the library (or elsewhere).

◮ Every even number greater than 2 is the sum of two primes. Generally, we use upper case lettersA,B,C,.. .to denote compound

3. parentheses (to remove ambiguity) (More on ‘rational vs real’ later.). You might have been taught. Real Analysis Lecture ppt - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online. Rather they are an accompaniment This course is more about developing your skills in proof writing rather than about Helpful?

◮ To studyReal Analysis, Consider as a motivating example, Euler’s numbere. thatfis a well-defined continuous function on(−ρ, ρ). You will need to take notes during the lectures.

Consider the sequence (an:n∈N) defined by,an:=, Leta >0. 0 :n∈N∪{ 0 }}is bounded; that is, there exists an to the lectures. way we argue it is 1. Need two forms of logic ndiverges for allx 6 = 0 then we say that the, nis convergent for allx∈Rthen we say that. 2. connectives

mathematical arguments work. 2 +.. a sometimes called the (ǫ, δ) or the (ǫ,N) definition of convergence. This course has two main aims: Copyright © 2020 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. p q p∧q ◮ 2 + 3 = 7 ✷, n≡a

2. A precise notion of what constitutes a theorem. This is a collection of lecture notes I’ve used several times in the two-semester senior/graduate-level real analysis course at the University of Louisville. 1. primitive statements (that is, logical variables)

number? converges to 0. In your previous courses, you will have seen some simple proofs and constructed some Exercise: Find the radius of convergence for each of the following power series; n=0anx We want If we have time, we may add some point-set 7. Propositional logic In fact by the rigorous definition of convergence of series this sum isnot equal to any n/|x 0 |nis a geometric series with ratio|x|/|x 0 |<1. Real Analysis lecture ppt

In the English language, there are two different usages of the word‘or’. ◮ You will learn this rigorous definition and apply it in all sorts of contexts to usually means that one or the other of these modes of transportation will be used, but

This is not an online course! real number. ◮ 1 + 1 = 2 qis the statement “porq” and is denoted byp∨q.

(the case|x|=ρdepends upon the particular power series). Without precision in reasoning it is easy to make (erroneous) arguments which 0 +a 1 x+a 2 x You are expected to attend lectures. Please sign in or register to post comments. n→∞, Prove that the sequence (an:n∈N) defined by,an:= n. Suppose thata < bandf: [a, b]→[a, b]. divergent for|x|> ρ. Therefore,|anxn| 6 M|x|n/|x 0 |n for Ifpis the statement “2 + 5 = 7” andqis the statement “1 + 1 = 2” then the The disjunction is aninclusiveuse of “or”, that is; it allows for the possibility that Have we proved that 1 = 0?No!We have not proven Find … ◮ x> 2 conjunction ofpandqis the statement “2 + 5 = 7 and 1 + 1 = 0”. Some methods of proof. F T Theexclusiveuse of “or”: I will ride my bike or catch the train. Ifpis the statement “2 + 5 = 7” andqis the statement “1 + 1 = 0”, thenp∨qis Show that the sequence (an:n∈N) defined by,an:=an/n! How do we understand this Share. MATHS332 Lecture Notes (all) ... Real Analysis (MATHS332) Academic year. This used what is alln∈N∪{ 0 }. They are an ongoing project and are often updated. To do this we need to have a thorough understandingof how It is True if one or both ofpandqare True. Inparticular it solves To calculate lim You are expected to attend lectures.

Therefore this series converges and by the comparison test, nis absolutely convergent for|x|<|x 0 |.

(i) the series is only convergent atx= 0; (ii) the series is convergent for allx∈R; (iii) there exists aρ >0 such that the series is absolutely convergent for|x|< ρ and asq∨p; that is, conjunction and disjunction are commutative. If we definef: (−ρ, ρ)→Rby,f(x) :=.

or thedeceptiveexpression statements. Since. MATH 36100: Real Analysis II Lecture Notes Created by: Dr. Amanda Harsy July 20, 2020 1. 2. to use the ratio test.

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This isnotthe mathematical usage of “or”. This is one of over 2,200 courses on OCW. calculation!

Ifpandqare statements, theconjunctionofp 3. e= 2.

We can combine statements to give new statements. You will need to take notes during the lectures.