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#counterexample search results

panlepan's profile picture. Math & animations with GeoGebra 🇫🇷 • Once a teacher... • Author w/@edsouthall of #GeometrySnacks (and More G.S.) • #mathGIF • https://t.co/usdr3TAM1P
Vincent Pantal🍩ni
 @panlepan
Aug 4, 2019

Continuity is not necessarily preserved by pointwise convergence. #counterexample #MathGIF

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mrodarczenko's profile picture. Math Teacher and varsity assistant softball coach at Huntley HS
Mr. Odarczenko
 @mrodarczenko
Nov 5, 2013

This is why SSA, or written the other way around does not work. #counterexample

mrodarczenko's tweet image. This is why SSA, or written the other way around does not work. #counterexample
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panlepan's profile picture. Math & animations with GeoGebra 🇫🇷 • Once a teacher... • Author w/@edsouthall of #GeometrySnacks (and More G.S.) • #mathGIF • https://t.co/usdr3TAM1P
Vincent Pantal🍩ni
 @panlepan
May 21, 2018

No, it doesn't work with a rectangle. #counterexample

panlepan's tweet image. No, it doesn't work with a rectangle. #counterexample
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GiveMeSomeArts's profile picture. 👨‍🎨 • Made by @Maitre_Git • Source code on github at https://t.co/ZywaznSsoq
GiveMeSomeArtBaby
 @GiveMeSomeArts
Jun 17, 2019

My sexy #counterexample wastes the drawback with a theological map.

GiveMeSomeArts's tweet image. My sexy #counterexample wastes the drawback with a theological map.
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GiveMeSomeArts's profile picture. 👨‍🎨 • Made by @Maitre_Git • Source code on github at https://t.co/ZywaznSsoq
GiveMeSomeArtBaby
 @GiveMeSomeArts
Jul 2, 2019

Without a #counterexample attends your esoteric lisp.

GiveMeSomeArts's tweet image. Without a #counterexample attends your esoteric lisp.
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mindfullymath's profile picture. was a 4th grade math teacher, now a #PhDstudent at UT Austin 🤘🏼lover of #cats, #coffee, and #running, passionate about changing #matheducation #playwithmath
Amy J
 @mindfullymath
Jun 24, 2020

#conjecture: I claim that all birds can fly. What is your #counterexample? #playwithmath

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DrAjaCarpenter's profile picture. Principal of Ninth Grade Academy in Philadelphia. Dog mom. Love book stores and coffee.
Dr. Aja Carpenter
 @DrAjaCarpenter
Dec 16, 2017

The Yes, Butt activity...at least that’s what I call it. My explains the goal of the lesson. #9ga #healthclass #counterexample #9thgradeacademy #gdubeagles

DrAjaCarpenter's tweet image. The Yes, Butt activity...at least that’s what I call it. My explains the goal of the lesson. #9ga #healthclass #counterexample #9thgradeacademy #gdubeagles
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Team_MsKhan's profile picture. Former 5th teacher, current math ed enthusiast: The opportunity to learn math in an engaging and relevant manner holds power, and is a right to all.
Noorjehan Khan
 @Team_MsKhan
May 31, 2019

Today we practiced proving geometric claims as true or false, and goodness was it tricky! Proud of these 5K-ers for sticking with it and flexing their brains! #proveit #counterexample

Team_MsKhan's tweet image. Today we practiced proving geometric claims as true or false, and goodness was it tricky! Proud of these 5K-ers for sticking with it and flexing their brains! #proveit #counterexample
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SokRo55633484's profile picture. Your Daily Experience of Math Adventures
EisatoponAI
 @SokRo55633484
Jul 1

#Counterexample #Truth #Illusion #Math The World of Counterexample: When Truth Hides in Illusion eisatopon.blogspot.com/2025/07/blog-p… 🧠 Enjoy Math in Your Language — Full Translation Available on the Blog

SokRo55633484's tweet image. #Counterexample #Truth #Illusion #Math The World of Counterexample: When Truth Hides in Illusion eisatopon.blogspot.com/2025/07/blog-p… 🧠 Enjoy Math in Your Language — Full Translation Available on the Blog
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PeterNBell's profile picture. CEO of Kermode Resources TSXV:KLM since August 2021 hostile takeover. What next? #NewtonDeals
Peterrrrrrrrr Bell
 @PeterNBell
Jan 12, 2017

Agreed @Oaktree, but would point to #concept of #reflexivity as #counterexample of claim that "media has no effect"

PeterNBell's tweet image. Agreed @Oaktree, but would point to #concept of #reflexivity as #counterexample of claim that "media has no effect"
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MathProblem314's profile picture. Channel for the development of critical thinking. Dare to think! More about the system: https://t.co/PmCVaglgIB Have the courage to use your own mind.
MathProblem
 @MathProblem314
Jan 6, 2023

Choose 24 cells in a 5×8 rectangle and draw one of the diagonals in each chosen cell such that no two diagonals have common ends. Leaflet #counterexample ift.tt/dTJlqAL

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Desmos's profile picture. We’re on a mission to help everyone learn math & love learning math. Try our 💚 Graphing Calculator + 💜 Geometry + 💗 3D tools Need support? https://t.co/UmSxlotdaH
Desmos
 @Desmos
Apr 3, 2015

@dcox21 umm...well...umm...not tomorrow. #CounterExample (Hopefully, sooner than later. #ThanksForWaiting)

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ypma_albert's profile picture. Tegucigalpa-based, alum @PThU_NL, Catholic, plays @KawaiPianosUS
Albert Ypma
 @ypma_albert
Nov 18

Ben Feringa, Dutch winner Nobel Prize for Chemistry, 2017, goes every Sunday to the church service. #counterexample

ypma_albert's tweet image. Ben Feringa, Dutch winner Nobel Prize for Chemistry, 2017, goes every Sunday to the church service. #counterexample
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SokRo55633484's profile picture. Your Daily Experience of Math Adventures
EisatoponAI
 @SokRo55633484
Jul 1

#Counterexample #Truth #Illusion #Math The World of Counterexample: When Truth Hides in Illusion eisatopon.blogspot.com/2025/07/blog-p… 🧠 Enjoy Math in Your Language — Full Translation Available on the Blog

SokRo55633484's tweet image. #Counterexample #Truth #Illusion #Math The World of Counterexample: When Truth Hides in Illusion eisatopon.blogspot.com/2025/07/blog-p… 🧠 Enjoy Math in Your Language — Full Translation Available on the Blog
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WaveRid22249171's profile picture. “Peace is the result of retraining your mind to process life as it is, rather than as you think it should be.” Wayne Dyer
Wave Rider
 @WaveRid22249171
Apr 11, 2024

If a statement is true, that means that it is always true, without exception. If it is false, that may mean that it is always false, but it may mean that it is sometimes false (and sometimes true). Thus, a single counterexample is enough to make a statement false. #counterexample

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weakmath's profile picture. Mathematician, computer scientist and humanist looking for truth. For this journey, benevolent and scientifically interested people are always welcome.
SubstProf weakmath (@[email protected])
 @weakmath
Mar 3, 2024

My favorite #counterexample in #conceptual #exploration / #knowledge #acquisition.

AMAZlNGNATURE's profile picture. Animals 🐿️ Nature 🦋 Discovery 🦖
Nature is Amazing ☘️
@AMAZlNGNATURE
Mar 2, 2024

This is a baby Platypus - never seen one before but thought you would like to see it

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reanlea's profile picture. Animated visuals of Mathematics and Physics with Geometric foundation.
R E A N L E A
 @reanlea
Jul 24, 2023

Everywhere differential function, whose derivative has a non-jump discontinuity. | #counterexample - 1 #Mathematics #Calculus Made with @manim_community

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Donnie19's profile picture. I'm Donnie. I'm all about loving God and loving people. I enjoy reading, movies, theatre, sports, coffee, friends, family. So that's what I tweet about.
Donnie Manis
@Donnie19
May 9, 2023

Not everyone. I don’t. #counterexample

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realsarahvernon's profile picture. #WendiMiller🕊 was murdered hours after we planned my case✨ I protect @JB_Conley ✨ I keep our family safe ✨ pronouns: fa/fo✨Luke 17:2
Orange Sunshine 🍊☀️(Brad)
 @realsarahvernon
Apr 27, 2023

Excellent! Thank you, Susan and @CBSNews Fwiw - If I’m going to rail against mainstream media - (and I am) - then it’s only proper that I highlight examples to the contrary. So that’s what I do. #counterexample

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ISTJrnal's profile picture. Information and Software Technology Journal
IST Journal
 @ISTJrnal
Jan 19, 2022

📝 New article @ISTJrnal "A systematic literature review on counterexample explanation" by @arutkaleeswaran, @arnenordmann, @tomvog, Lars Grunske #formalmethods #counterexample #modelchecking 👉 Get your copy at authors.elsevier.com/a/1ePTp3O8rCYv…

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tree_rescuer's profile picture. evolutionist * battler of invasives * @sfonplsql for #PLSQL * he/him
Steven Feuerstein #vaccinated# #pro-choice#
 @tree_rescuer
Jun 10, 2021

I have seen the madness. I have fought it. I am undiminished. I am the #counterexample, all bow before me!

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madprofessah's profile picture. Black, Caribbean, Atheist, Gay, Liberal, Math Professor & Dean @Marist. Tennis Fan, Avid Reader, Spouse @DCElzinga. He/Him/His. Opinions mine! #AlwaysVoteBlue
RonBuckmire.bsky.social
 @madprofessah
May 29, 2021

But I was told “Republicans and Democrats are the same” and “There’s no difference between the parties” #Counterexample #VoteBlue2022

pewresearch's profile picture. Nonpartisan, nonadvocacy data and analysis. Follow us on Instagram, Facebook and LinkedIn or subscribe to our newsletters: https://t.co/tawtYBr8Ef ✉️
Pew Research Center
@pewresearch
May 29, 2021

46% of Republicans say undocumented immigrants should not be allowed to stay legally in the U.S. and there should be a national effort to deport undocumented immigrants. Just 7% of Democrats say this. pewrsr.ch/33idNsF

pewresearch's tweet image. 46% of Republicans say undocumented immigrants should not be allowed to stay legally in the U.S. and there should be a national effort to deport undocumented immigrants. Just 7% of Democrats say this. pewrsr.ch/33idNsF
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victorbuta's profile picture. Markets are conversations. RT = interesting
Victor Buta
 @victorbuta
Apr 1, 2021

#agile #counterexample @LinklatersLLP insights on what went wrong in Co-op's failed IT transformation project contracted with IBM linklaters.com/en/insights/bl…

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panlepan's profile picture. Math & animations with GeoGebra 🇫🇷 • Once a teacher... • Author w/@edsouthall of #GeometrySnacks (and More G.S.) • #mathGIF • https://t.co/usdr3TAM1P
Vincent Pantal🍩ni
 @panlepan
Aug 4, 2019

Continuity is not necessarily preserved by pointwise convergence. #counterexample #MathGIF

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GiveMeSomeArts's profile picture. 👨‍🎨 • Made by @Maitre_Git • Source code on github at https://t.co/ZywaznSsoq
GiveMeSomeArtBaby
 @GiveMeSomeArts
Jun 17, 2019

My sexy #counterexample wastes the drawback with a theological map.

GiveMeSomeArts's tweet image. My sexy #counterexample wastes the drawback with a theological map.
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panlepan's profile picture. Math & animations with GeoGebra 🇫🇷 • Once a teacher... • Author w/@edsouthall of #GeometrySnacks (and More G.S.) • #mathGIF • https://t.co/usdr3TAM1P
Vincent Pantal🍩ni
 @panlepan
May 21, 2018

No, it doesn't work with a rectangle. #counterexample

panlepan's tweet image. No, it doesn't work with a rectangle. #counterexample
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GiveMeSomeArts's profile picture. 👨‍🎨 • Made by @Maitre_Git • Source code on github at https://t.co/ZywaznSsoq
GiveMeSomeArtBaby
 @GiveMeSomeArts
Jul 2, 2019

Without a #counterexample attends your esoteric lisp.

GiveMeSomeArts's tweet image. Without a #counterexample attends your esoteric lisp.
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mrodarczenko's profile picture. Math Teacher and varsity assistant softball coach at Huntley HS
Mr. Odarczenko
 @mrodarczenko
Nov 5, 2013

This is why SSA, or written the other way around does not work. #counterexample

mrodarczenko's tweet image. This is why SSA, or written the other way around does not work. #counterexample
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DrAjaCarpenter's profile picture. Principal of Ninth Grade Academy in Philadelphia. Dog mom. Love book stores and coffee.
Dr. Aja Carpenter
 @DrAjaCarpenter
Dec 16, 2017

The Yes, Butt activity...at least that’s what I call it. My explains the goal of the lesson. #9ga #healthclass #counterexample #9thgradeacademy #gdubeagles

DrAjaCarpenter's tweet image. The Yes, Butt activity...at least that’s what I call it. My explains the goal of the lesson. #9ga #healthclass #counterexample #9thgradeacademy #gdubeagles
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mindfullymath's profile picture. was a 4th grade math teacher, now a #PhDstudent at UT Austin 🤘🏼lover of #cats, #coffee, and #running, passionate about changing #matheducation #playwithmath
Amy J
 @mindfullymath
Jun 24, 2020

#conjecture: I claim that all birds can fly. What is your #counterexample? #playwithmath

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SokRo55633484's profile picture. Your Daily Experience of Math Adventures
EisatoponAI
 @SokRo55633484
Jul 1

#Counterexample #Truth #Illusion #Math The World of Counterexample: When Truth Hides in Illusion eisatopon.blogspot.com/2025/07/blog-p… 🧠 Enjoy Math in Your Language — Full Translation Available on the Blog

SokRo55633484's tweet image. #Counterexample #Truth #Illusion #Math The World of Counterexample: When Truth Hides in Illusion eisatopon.blogspot.com/2025/07/blog-p… 🧠 Enjoy Math in Your Language — Full Translation Available on the Blog
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ypma_albert's profile picture. Tegucigalpa-based, alum @PThU_NL, Catholic, plays @KawaiPianosUS
Albert Ypma
 @ypma_albert
Nov 18

Ben Feringa, Dutch winner Nobel Prize for Chemistry, 2017, goes every Sunday to the church service. #counterexample

ypma_albert's tweet image. Ben Feringa, Dutch winner Nobel Prize for Chemistry, 2017, goes every Sunday to the church service. #counterexample
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HumanEd_Au's profile picture. Primary Teacher | Ed Researcher | Dreamer | Dominant play preferences - Exploring & Creating | Researching maths teaching approaches via https://t.co/JropbjoQ1v
Alex Box
 @HumanEd_Au
Apr 4, 2020

Then Mum came along and made this #counterexample . Then walked off. 😆Beautifully executed.

HumanEd_Au's tweet image. Then Mum came along and made this #counterexample . Then walked off. 😆Beautifully executed.
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Team_MsKhan's profile picture. Former 5th teacher, current math ed enthusiast: The opportunity to learn math in an engaging and relevant manner holds power, and is a right to all.
Noorjehan Khan
 @Team_MsKhan
May 31, 2019

Today we practiced proving geometric claims as true or false, and goodness was it tricky! Proud of these 5K-ers for sticking with it and flexing their brains! #proveit #counterexample

Team_MsKhan's tweet image. Today we practiced proving geometric claims as true or false, and goodness was it tricky! Proud of these 5K-ers for sticking with it and flexing their brains! #proveit #counterexample
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