Tautologies and Contradictions

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  • เผยแพร่เมื่อ 9 ม.ค. 2025

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  • @vejza1108
    @vejza1108 4 ปีที่แล้ว +22

    In 3 minutes and 40 seconds you explained this better than my high school math teacher could've done in months back in the day. Just speaks volumes of your competency or her incompetency. I needed closure, thank you.

    • @birdboigenius6767
      @birdboigenius6767 3 ปีที่แล้ว +4

      You learn these things in highschool 😳

    • @vejza1108
      @vejza1108 3 ปีที่แล้ว +1

      @@birdboigenius6767 sure did, it was the very first high school math lesson actually

    • @brisket222
      @brisket222 2 ปีที่แล้ว +4

      @@vejza1108 I'm doing these for the first time in a discrete math class 2nd year of college

    • @jursamaj
      @jursamaj 5 หลายเดือนก่อน

      Funny how you leave out a 3rd possibility: *you* were the problem.

    • @vejza1108
      @vejza1108 5 หลายเดือนก่อน +1

      @@jursamaj naaahh, I left out that part because I wasn't a problem. The whole class struggled to understand wtf the teacher was talking about, and we were in a math high school (Second Gymnasium in Sarajevo). The other teachers adopted this with ease. Now there's no way anyone could tell me that 32 people didn't understand anything because it was their fault. Not a single one. If there were 3 of us who got it I would admit that it was due to my incompetence.

  • @trollingisasport
    @trollingisasport 6 ปีที่แล้ว +231

    A tautology is always a tautology.

    • @rodanm
      @rodanm 5 ปีที่แล้ว +20

      And a contradiction is always a contradiction

    • @KING-ni4ze
      @KING-ni4ze 4 ปีที่แล้ว +1

      @@DrTrefor exactly lol

    • @hazelhaylie2427
      @hazelhaylie2427 4 ปีที่แล้ว +12

      And this is a tautology too.

    • @infonomics
      @infonomics 3 ปีที่แล้ว +4

      It is what it is. It is = It is.

    • @dae1925
      @dae1925 2 ปีที่แล้ว +1

      It is it

  • @thirdlinesniper3279
    @thirdlinesniper3279 4 ปีที่แล้ว +86

    always remember: he had to learn how to write backwards for us
    thank you for the lesson sir

    • @sharonmaldonado2114
      @sharonmaldonado2114 3 ปีที่แล้ว +9

      I'm pretty sure he just does it his way, then flips the video ... kol

    • @Robert-kt7nr
      @Robert-kt7nr 2 ปีที่แล้ว +3

      @@sharonmaldonado2114 you didn't get the joke lol

    • @RandomBubble
      @RandomBubble 2 ปีที่แล้ว

      @@Robert-kt7nr you’re right 😂😂
      8 months later…

    • @MDExplainsx86
      @MDExplainsx86 2 ปีที่แล้ว

      Are you living in 1800?
      Moron

    • @thirdlinesniper3279
      @thirdlinesniper3279 2 ปีที่แล้ว

      @@MDExplainsx86 ?

  • @dianacampos1018
    @dianacampos1018 3 ปีที่แล้ว +9

    You and the organic chemistry tutor are the BEST

  • @JJPM
    @JJPM 4 ปีที่แล้ว +14

    Just gotta say, that setup you got for your classes/tutorials is amazing. Mayor respects!

    • @caseylocke4474
      @caseylocke4474 3 ปีที่แล้ว

      Man, a thumbs of from the mayor! This guy is moving up in the world! ;) (jk of course)

  • @Alrukitaf
    @Alrukitaf 2 ปีที่แล้ว +3

    0:42 “irregardless?” Ain’t no such animal. No sireee

  • @caseylocke4474
    @caseylocke4474 6 ปีที่แล้ว +26

    I got up to around 0:43 when he said "irregardless" and my brain just couldn't take it. Had to leave. Lol

    • @caseylocke4474
      @caseylocke4474 6 ปีที่แล้ว

      @@DrTrefor I hope the "lol" at the end successfully conveyed my jest to you and anyone else. ;) I finished the video and enjoyed it. :)

    • @yamilkahayes1842
      @yamilkahayes1842 6 ปีที่แล้ว +4

      Yup, lost me at "irregardless".😂

    • @brandonchong4025
      @brandonchong4025 3 ปีที่แล้ว

      My dawg/home Boi is a duck so..

  • @aprilrahee
    @aprilrahee 2 ปีที่แล้ว +1

    I wonder why my professors are here for.
    your tutorials are amazing. Thank you

    • @dbuc4671
      @dbuc4671 2 ปีที่แล้ว

      exactly fml

  • @maximusgarahan2066
    @maximusgarahan2066 4 ปีที่แล้ว +4

    The "It is what it is" phenomena is thick right now.

  • @kent3994
    @kent3994 4 ปีที่แล้ว +15

    just realized that he writes inversely

  • @shakibridoy5442
    @shakibridoy5442 6 ปีที่แล้ว +4

    Teaching style is so good,i try to understand & also teacher is so Handsome,,,

    • @Gatorman9998
      @Gatorman9998 6 ปีที่แล้ว

      not creepy at all there bro

    • @nishantnaman3891
      @nishantnaman3891 6 ปีที่แล้ว

      @Anthony The Invincible Iron Man Stark
      😂😂

  • @hamzamalik1949
    @hamzamalik1949 4 ปีที่แล้ว +6

    I can't thank you enough for these videos! :)

  • @Starkeweg
    @Starkeweg 2 ปีที่แล้ว +1

    Where aren’t professors like this 😂

  • @backoffer3228
    @backoffer3228 4 ปีที่แล้ว +4

    t - tautology, c - Contradiction
    Tautology - always true
    Contradiction - always false

  • @aman-duhgeorge1931
    @aman-duhgeorge1931 3 ปีที่แล้ว +1

    Hey I've got a doubt, but c^p when c is always false and p is false will be true right? You've written that it will be false.
    2:50

    • @brycerothschadl
      @brycerothschadl 3 ปีที่แล้ว +2

      c^p == true only when c == true and p == true.
      If both are false, then c^p is false.
      "AND" doesn't check to see if both values are equal to one another, it checks to see if both values are true.

  • @ChuckMartinNolwen
    @ChuckMartinNolwen 22 วันที่ผ่านมา +2

    You are just from saving me😢

  • @MyStrawberryLife
    @MyStrawberryLife 5 ปีที่แล้ว +1

    Thank you sm I couldn’t understand what my professor was teaching me

  • @mirtuzzamitthi4755
    @mirtuzzamitthi4755 5 ปีที่แล้ว +3

    Please name your videos starting with serial numbers. While studying i wont miss any videosin the middle. I like your videos!!! Thank you!!!

    • @onlyontuesdays99
      @onlyontuesdays99 ปีที่แล้ว

      You can just make a playlist. Changing every video title to have a number in front of it would not be feasible or really good for anything.

  • @canuckjunior8988
    @canuckjunior8988 5 ปีที่แล้ว +1

    These videos are great. Thanks so much!!

  • @victorzarate5309
    @victorzarate5309 4 ปีที่แล้ว

    Dr. Trefor Bazett is the GOAT.

  • @Abdushaye
    @Abdushaye 10 หลายเดือนก่อน

    Thank you so much Dr! now everything is clear😍

  • @saifullahkhalid9269
    @saifullahkhalid9269 2 ปีที่แล้ว

    Although I can't understand fully British or American English but it was great explanation nd could be understood❤❤

  • @upaya7178
    @upaya7178 4 ปีที่แล้ว +16

    IRREGARDLESS ‼️

  • @justincallan2549
    @justincallan2549 2 ปีที่แล้ว +3

    This is not what a Tautology is. For example “1 > 0 implies 0 > -1” is always true but not a tautology since if we replace “0 > -1” with “0 > 0” the result is false.

    • @Eyenn_n
      @Eyenn_n 2 ปีที่แล้ว +3

      Exactly! I’m a little reassured that I’m not the only one thinking that’s not what a Tautology is. But why did no one else point it out?

    • @justincallan2549
      @justincallan2549 2 ปีที่แล้ว +2

      @@Eyenn_n glad you noticed too (:

  • @alexplotkin3368
    @alexplotkin3368 4 ปีที่แล้ว +1

    Great explanations.

  • @Toonhai
    @Toonhai 4 ปีที่แล้ว

    There should be new cathegories in Nobel prize.
    A) Quantum Phisics and phisics of atomic scale
    B) Phisics of Space and Time not be confused with spacetime
    C) Engineering
    That is hard risky choice but hursh shot.

  • @ieatpencils
    @ieatpencils 6 ปีที่แล้ว +6

    What if it's a robot dog?

  • @Daniel_Zhu_a6f
    @Daniel_Zhu_a6f 2 ปีที่แล้ว

    from natural sciences perspective a dog is a dog but the word 'mammal' refers to a set that includes set of dogs. while mathematics and other human languages tend to define things via hierarchies, in the material world things are collections of simpler things (unless you are an idealist).

  • @furiousrantz5599
    @furiousrantz5599 ปีที่แล้ว

    Good video! Appreciate it!

  • @sethbase6960
    @sethbase6960 5 ปีที่แล้ว +1

    What about logical contradictions that are self-resolving? Self-resolving contradictions are tautologies too. Ex: the universe stays the same/the universe changes. Those are both true contradictions.

    • @gamerdio2503
      @gamerdio2503 4 ปีที่แล้ว

      The universe stays the same is a contradiction because its expanding. It's not true. The other is a tautology because the universe is indeed always changing because of expansion. Its not a contradiction

  • @49_salonimishra36
    @49_salonimishra36 5 ปีที่แล้ว +1

    Very good explanation by you.... thanks a lot Brother

  • @manzero134gd
    @manzero134gd 6 ปีที่แล้ว +1

    What sorcery is this, you can write mirrored!

  • @tinurahangdale8109
    @tinurahangdale8109 4 ปีที่แล้ว +2

    What if when we apply t ^ q and c v q ?

    • @matteoetchart7060
      @matteoetchart7060 ปีที่แล้ว

      Could you explain it for me, you had 3 years to figure it out

  • @FlubR
    @FlubR 5 ปีที่แล้ว +21

    *I R R E G A R D L E S S*

  • @williamlight2393
    @williamlight2393 3 ปีที่แล้ว

    1:52 Cries in Dialetheism 🥺😭

  • @outlawgamer6697
    @outlawgamer6697 6 ปีที่แล้ว +2

    thanks Marc Gasol

  • @barshaghosh4173
    @barshaghosh4173 5 ปีที่แล้ว

    Nice video ..from india

  • @barbaraedwardsdelsman3677
    @barbaraedwardsdelsman3677 ปีที่แล้ว

    Regardless. Irregardless is not a word. 😊

  • @ladycam16
    @ladycam16 2 ปีที่แล้ว +1

    THANK YOU SO MUCH

  • @chocolatee31
    @chocolatee31 ปีที่แล้ว

    thank you so much sir!

  • @ibnuh
    @ibnuh 4 ปีที่แล้ว +3

    Why do I need to learn this?

    • @ibnuh
      @ibnuh 4 ปีที่แล้ว

      I feel like this should be an english class..

    • @ibnuh
      @ibnuh 4 ปีที่แล้ว

      honestly asking, not trying to be condescending

    • @DrTrefor
      @DrTrefor  4 ปีที่แล้ว +1

      Main argument is that logical thinking is important for lots of things. Diving deep on FORMAL logical arguments helps your logical thinking over time.

    • @Lorenzconnok
      @Lorenzconnok 4 ปีที่แล้ว

      To understand bad arguments.

    • @ibnuh
      @ibnuh 4 ปีที่แล้ว

      @@DrTrefor I can get behind that thanks!

  • @djtygre
    @djtygre 4 ปีที่แล้ว +1

    what if the dog is a boston dynamics robot and not a mammal?

  • @PequenaNoobAmaPudim
    @PequenaNoobAmaPudim 4 ปีที่แล้ว +1

    wait is he writing on a glass? how can we not see the glass???

  • @kidusyonas3720
    @kidusyonas3720 3 ปีที่แล้ว +2

    thank you

  • @odeyemifavourabosede8221
    @odeyemifavourabosede8221 ปีที่แล้ว

    Pls sir,why is the contradiction c^p and not cvp

  • @gadgetboyplaysmc
    @gadgetboyplaysmc 5 ปีที่แล้ว

    What is Contingency?

  • @Yuzner
    @Yuzner 6 ปีที่แล้ว +1

    Thanks a lot

  • @michaelharmata6361
    @michaelharmata6361 2 ปีที่แล้ว +1

    irregardless? really?

  • @marooqi
    @marooqi 2 ปีที่แล้ว

    can you tell me how to figure out what these are tilde D wedge B and tilde parentheses D tilde B prentheses? and how to know the order of operations?

  • @RealRosieRuiz
    @RealRosieRuiz 4 ปีที่แล้ว +3

    Did he say anything after the "irregardless?" I clicked off after that.

  • @Hi_Brien
    @Hi_Brien 4 ปีที่แล้ว +1

    Falfalogy is a statement that is always false, we denote this with the letter f XD (this is joke, but I'm sure I'll learn the word shortly)

    • @Hi_Brien
      @Hi_Brien 4 ปีที่แล้ว

      Oh so contradictions are always false, see if I watched the whole video or read the title, this video would have 2 less comments

  • @flobtheblob
    @flobtheblob 7 ปีที่แล้ว +23

    The use of "irregardless" has me deeply questioning the authority of this video.

    • @alureon1
      @alureon1 7 ปีที่แล้ว +2

      It gave me pause as well, but a bit of research shows that it is in fact a word. I was always taught never to use it though.

    • @manxx25
      @manxx25 6 ปีที่แล้ว +1

      Sure, but he's obviously a specialist. It's OK. The good news is the we still *know* what he means. Most linguistic fails are more about style than meaning.

  • @nostalgiccringeallhailchel3881
    @nostalgiccringeallhailchel3881 5 ปีที่แล้ว

    Irregardless is a term

  • @TitanTubs
    @TitanTubs 2 ปีที่แล้ว

    2:16 my man just make a cp joke?
    He knows what that means on the internet?

  • @vwtch
    @vwtch 2 ปีที่แล้ว

    T ^ P ??

  • @ConfusedHomoSapien
    @ConfusedHomoSapien 2 ปีที่แล้ว +3

    Concise and engaging, thank you sir!!! : )

  • @gadgetboyplaysmc
    @gadgetboyplaysmc 5 ปีที่แล้ว

    U didnt include contingency

  • @laminbsanyang2494
    @laminbsanyang2494 3 ปีที่แล้ว

    What if its T and F? Then it's not Tautology and Contradiction

  • @justaordinaryguy
    @justaordinaryguy ปีที่แล้ว

    "Irregardless" 😂

  • @estebanlacrosse7847
    @estebanlacrosse7847 3 ปีที่แล้ว

    This is a sentence, That is a tautology.

  • @wookinooki9023
    @wookinooki9023 2 ปีที่แล้ว

    "irregardless" is a tautology.

  • @Roger-hu4tk
    @Roger-hu4tk 3 ปีที่แล้ว +1

    Sheldon brought me here

  • @HP_line_cook
    @HP_line_cook 5 ปีที่แล้ว +1

    I just came here because Kyon from “The melancholy of Haruhi Suzumiya” mentioned this.

  • @arunabhsingh7236
    @arunabhsingh7236 4 ปีที่แล้ว +1

    DOES NO ONE REALISE THAT HE IS TO WRITE EVERYTHING LATERALLY INVERTED OMG

    • @DrTrefor
      @DrTrefor  4 ปีที่แล้ว +3

      haha either that or I flip it on my computer:D

    • @mm_subhan
      @mm_subhan 4 ปีที่แล้ว +1

      @@DrTrefor writing inverted is cooler so we'll go with that.

  • @anafahamed1118
    @anafahamed1118 5 ปีที่แล้ว

    Can you teach me Java

  • @davidchaplain6748
    @davidchaplain6748 2 ปีที่แล้ว

    irregardless is always wrong

  • @TheMimoJimi
    @TheMimoJimi 4 หลายเดือนก่อน

    ah... contradictions.. yes.....................................................................................................................................................................................

  • @azamatdzholbunov9694
    @azamatdzholbunov9694 3 ปีที่แล้ว

    that sound of writing...

  • @braedonmasset4574
    @braedonmasset4574 6 ปีที่แล้ว +1

    who else in high skoo

  • @HsvPeavey
    @HsvPeavey ปีที่แล้ว

    TCarlson sent me…

  • @twinklejadon7450
    @twinklejadon7450 3 ปีที่แล้ว

    You look alike Glenn Maxwell

  • @brandonchong4025
    @brandonchong4025 3 ปีที่แล้ว

    My dawg/ home boi is a duck so..

  • @hydaromar6532
    @hydaromar6532 6 ปีที่แล้ว

    Mendelian genetics all over again

  • @GeneralDizzaray
    @GeneralDizzaray ปีที่แล้ว +5

    I was enjoying this until he say "irregardless". It's regardless !!!

    • @JamesReedy
      @JamesReedy 7 หลายเดือนก่อน

      It’s a word but it’s not fashionable and you should use regardless.

    • @kolton282
      @kolton282 5 หลายเดือนก่อน +1

      Dude has a PhD. I'm fairly certain that he's earned the right to use a word that is gramatically equivalent to its more handsome brother.

  • @mangomilker9227
    @mangomilker9227 5 ปีที่แล้ว +1

    Imagine someone getting afended because you said a dog is a mammal lol

  • @inoxide5454
    @inoxide5454 ปีที่แล้ว +1

    WRONG! a Hot Dog is not a mammal.pretty tasty though !

    • @Matthewfisch12
      @Matthewfisch12 4 หลายเดือนก่อน

      You are incorrect. A hot dog is a mammal. It is made from parts of a cow, pig, or bird meat and organs made into a thick liquid and squeezed into a tube shaped casing, also made from mammal parts. At least one thing I said was true. So wouldn’t that make me correct on saying you’re not?Tasty for sure! Nathan’s famous is my go to 😂

  • @lostfan5054
    @lostfan5054 3 ปีที่แล้ว

    I just don't see why we'd need a name for a tautology.

  • @smoothjester07
    @smoothjester07 ปีที่แล้ว

    c^t = 🤯

  • @tawheedenjoyer7381
    @tawheedenjoyer7381 5 หลายเดือนก่อน

    yes

  • @gitgudnga
    @gitgudnga ปีที่แล้ว

    dogfish: 🐕‍🦺🐟

  • @internetanel9174
    @internetanel9174 3 ปีที่แล้ว +2

    why am i attracted to you

  • @KevinMolefi
    @KevinMolefi 2 หลายเดือนก่อน

    o ruta masepa

  • @VincentBoyd-d8t
    @VincentBoyd-d8t 8 หลายเดือนก่อน

    That’s cap🤣🤣

  • @jianxue2945
    @jianxue2945 ปีที่แล้ว

    He sounds like Donald trump jr