All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
3:44
Study.com
Counterexample in Mathematics | Definition, Proofs & Examples
Counterexamples are used to prove a statement is false. A proof can be written by using a counterexample. There are many examples of proofs by counterexample.
61K views
Jan 31, 2016
Related Products
Proof by Counterexample Questions
Proof by Counterexample Worksheet
Proof of Equivalence and Counterexamples
#Counterexample in Logic
Counterexamples (Intro to Logic)
YouTube
Sep 13, 2018
Counter Examples in Digital Electronics: Design, Functionality, and Circuit Details
YouTube
May 24, 2020
Top videos
1:33:47
Proof, Counterexample, and Boolean Algebra – Lecture 3 (Discrete Math)
YouTube
Donald Timpson
57 views
2 months ago
2:59
I.10. Proof by Counterexample method
YouTube
Université numérique en
8 views
2 months ago
3:02
Counterexamples | Worked example | Praxis Core Math | Khan Academy
YouTube
Khan Academy Praxis
Apr 12, 2019
Counterexample in Math
Find a counterexample, if possible, to these universally quantified statements, where the domain for all variables consists of all integers. a) ∀x(x^2 ≥x) b) ∀x(x>0 ∨x<0) c) ∀x(x=1) | Numerade
numerade.com
Oct 7, 2019
How to Identify Counterexamples in Algebra | Algebra | Study.com
study.com
Jun 10, 2021
6:03
Proof by using a Counter-Example | ExamSolutions - maths problems answered
YouTube
ExamSolutions
39K views
Apr 9, 2018
1:33:47
Proof, Counterexample, and Boolean Algebra – Lecture 3 (Disc
…
57 views
2 months ago
YouTube
Donald Timpson
2:59
I.10. Proof by Counterexample method
8 views
2 months ago
YouTube
Université numérique en sciences et technologies
3:02
Counterexamples | Worked example | Praxis Core Math | Khan Academy
Apr 12, 2019
YouTube
Khan Academy Praxis
6:03
Proof by using a Counter-Example | ExamSolutions - maths problems
…
39K views
Apr 9, 2018
YouTube
ExamSolutions
15:26
Proof - counter examples, proof by exhaustion and direct proof
5.2K views
Jan 4, 2021
YouTube
Starfish Maths
17:03
A Set Theory Counterexample and Proof, Superquiz 1 Problem 2
1.6K views
Sep 9, 2021
YouTube
Adam Glesser
6:15
4.4 Direct Proof and Counterexample IV: The Quotient-
…
3.4K views
Oct 17, 2020
YouTube
SMCC Math
6:32
Proof - The Three Types of Proof - A-Level Maths
31.4K views
Feb 3, 2018
YouTube
I'm Stuck - GCSE and A-Level Revision
13:35
Methods of Proof | A-level Mathematics
65.2K views
Feb 4, 2021
YouTube
mathonify
4:41
Conjectures and Counterexamples: Examples (Geometry Concepts)
3.8K views
Aug 11, 2014
YouTube
CK-12 Foundation
4:44
GCSE Maths - How to Disprove a Statement by Counter Example - P
…
44.3K views
Sep 22, 2020
YouTube
Cognito
27:47
Proof by Smallest Counterexample
2.3K views
Oct 7, 2022
YouTube
Andrew Misseldine
4.2 Direct Proof and Counterexample II: Rational Numb
…
2.6K views
Oct 10, 2020
YouTube
SMCC Math
11:12
14.1 Proofs 1: Disproof by Counter Example - Advanced Higher Math
…
6K views
Feb 6, 2022
YouTube
Mr Thomas
48:09
Direct Proof and Counterexample I: Introduction
2.3K views
Feb 16, 2019
YouTube
Shannon “MATHCHICK” Myers
14:26
4.1 Direct Proof and Counterexample I
3.8K views
Oct 10, 2020
YouTube
SMCC Math
8:32
4.3 Direct Proof and Counterexample III: Divisibility
2.5K views
Oct 15, 2020
YouTube
SMCC Math
2:00:11
Proof by Smallest Counterexample and Induction - Lecture 11 (Discret
…
60 views
1 week ago
YouTube
Donald Timpson
5:27
Counterexample in Discrete Mathematics with Example
12.6K views
Jul 5, 2020
YouTube
Learner's Point
Conjectures and Counterexamples: Examples (Basic Geometry Conce
…
9.4K views
Apr 26, 2013
YouTube
CK-12 Foundation
5:25
1.3.b, part 2: Proof by counterexample (IB Math AA HL 1)
1.6K views
Feb 4, 2021
YouTube
Ryan Cox
8:18
Disproving implications with Counterexamples
51.9K views
Jun 10, 2017
YouTube
Dr. Trefor Bazett
4:40
Introduction to Proof by Counter Example
4.8K views
Jul 27, 2022
YouTube
Mathispower4u
2:09
Conjectures and Counterexamples: Lesson (Basic Geometry Concepts)
13.3K views
Apr 26, 2013
YouTube
CK-12 Foundation
6:36
A-Level Maths: A1-16 Proof by Contradiction Examples
110K views
Dec 15, 2016
YouTube
TLMaths
35:13
Discrete Mathematics | Lec-10 | Advanced Proof Strategies: Existe
…
273 views
3 months ago
YouTube
Unlock Mathematics
3:27
Conjectures and Counterexamples: Lesson (Geometry Concepts)
34.3K views
Aug 11, 2014
YouTube
CK-12 Foundation
5:21
Logic & Proofs: Counterexamples
1.5K views
Jun 13, 2017
YouTube
Bryan Penfound
1:15
Proof Techniques Counterexample
567 views
Sep 3, 2024
YouTube
Harare Maths
See more videos
More like this
Feedback