Видео с ютуба Counterexample Proofs

Y12 - Proof 3 - Disproof by Counter Example

Y12 - Proof 3 - Disproof by Counter Example
A Fermat Near Miss #shorts

A Fermat Near Miss #shorts
AS AQA 1.07 Disproof by counter example

AS AQA 1.07 Disproof by counter example
Proof Techniques | Counterexample

Proof Techniques | Counterexample
(6.3.1) How Do You Find a Counterexample to Disprove A ∪ (B ∩ C) = (A ∪ B) ∩ C?

(6.3.1) How Do You Find a Counterexample to Disprove A ∪ (B ∩ C) = (A ∪ B) ∩ C?
When is Union of Subspaces is again a subspace? Proof and Counterexample.

When is Union of Subspaces is again a subspace? Proof and Counterexample.
Counterexamples to Zagier's Duality Conjecture on Nahm Sums 2411 09701v1

Counterexamples to Zagier's Duality Conjecture on Nahm Sums 2411 09701v1
A proof by counterexample: mathematicians are interesting | Matthew | TEDxYouth@HarrowHK

A proof by counterexample: mathematicians are interesting | Matthew | TEDxYouth@HarrowHK
Наименьший контрпример (дискретный 14)

Наименьший контрпример (дискретный 14)
반례(Counter Example), 왜 C.E.라고 할까?

반례(Counter Example), 왜 C.E.라고 할까?
For a Hausdorff space, every convergent sequence has a unique limit

For a Hausdorff space, every convergent sequence has a unique limit
Math MSC - Counterexamples

Math MSC - Counterexamples
Can Every Infinite Field Be ORDERED? | COUNTEREXAMPLES in Analysis | E1

Can Every Infinite Field Be ORDERED? | COUNTEREXAMPLES in Analysis | E1
Edexcel A level proof part III - Proof by counterexample

Edexcel A level proof part III - Proof by counterexample
Proof by Counterexample

Proof by Counterexample
Universal quantifier counterexample in discrete math(1.4) -اردو / हिंदी

Universal quantifier counterexample in discrete math(1.4) -اردو / हिंदी
Lecture 01 Part 4 Counterexamples, Conjectures, & Different ways to prove theorems and propositions

Lecture 01 Part 4 Counterexamples, Conjectures, & Different ways to prove theorems and propositions
An example of a counterexample

An example of a counterexample
Math 308 Lecture 11 - Induction, Minimum Counterexample and Intro to Strong Induction

Math 308 Lecture 11 - Induction, Minimum Counterexample and Intro to Strong Induction
A level maths Proof/Disproof by Counter Example. Ex 196 and Ex 197

A level maths Proof/Disproof by Counter Example. Ex 196 and Ex 197