Handouts for
Math 300
Spring 2023
* The symbol * means not handed out in class;
however, you should read on the internet.
Write Guidelines (WG)
Group Work (GW)
Course Handouts (HO)

Ch1: Intro to Writing Proofs
(statements and conditional statements, constructing direct proofs, divison algorithm)

§1.1: Class Example
(ER 1.1.6)

§1.2: Direct Proof Examples
(soln)
(Lemma POO and Distance Problem)

§1.3: Direct Proofs. A Distance Problem
(soln)
 §2.1: Statements and Logical Operators
 §2.1: Class Example
(Evaluation of Proof with inequality, ER3.1.19b)
 §2.1: Truth Table Practice Exercises
 §2.2: Logically Equivalent Statements
 §2.3: Open Sentences and Sets
 §2.4: Quantifiers and Negations
 §5.0: Set Theory Transition
 Ch3: Methods of Proofs
(chapter summary)
 §3.0: Direct Proof Review
 §3.2: Biconditional Sample Proofs
 §3.4: Proof by Cases. Class Example using Division Algorithm for cases
 Ch 4: Math Induction (PMI summary)

Ch4: Induction Examples
(lecture outline)
(solutions)
