Все публикации

1:21:21

Math 201: Sample Problems from Intro to Number Theory

0:07:20

Proofs Project Draft #8

0:08:01

Proof Draft Discussion - #6

0:22:00

Week 3 Video Solutions, Part 2

0:42:47

Week 3 Homework Solutions, Part 1

0:23:16

More misc. exercises: nested quantifiers, introduction to sets, Venn diagrams

0:21:46

Misc exercises: logical equivlance, predicates, quantifiers

0:10:01

Proving an argument is valid

0:10:29

Determining if an argument is valid

0:13:20

Determining if Given Arguments are Valid

0:18:06

Finding logical conclusions from given premises

0:26:42

Discussion of Nested Quantifiers on Quiz and Homework

0:11:57

help with week 2 annotating proof with key logical equivalences

0:05:04

Complement of the Union of Two Sets

0:13:26

Using Venn Diagrams to Show Set Relationships, Video 2

0:15:32

Using Venn Diagrams to Give Visual Proof - Video 1 of 2

0:13:54

Determining if statements involving sets are true or false

0:15:28

Week 1 Homework: Solution and discussion of number 2

0:14:30

Introduction to Predicates and Discussion of Predicates and Quantifiers

0:21:03

Proving logical equivalence involving the biconditional

0:21:04

Proving a compound proposition is a tautology part 2 of 2

0:16:05

Proving a compound proposition is a tautology part 1 of 2

0:07:42

set up for proving logical equivalence

0:09:55

Truth Table for Contrapositive, Homework Preview