Pratique du Shadowing: bassham ch3pt1 - Apprendre l'anglais à l'oral avec la vidéo
Création de la leçon...
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Hi everybody, this is part one of the lecture to accompany chapter three in your textbook.
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Please carefully read chapter three as there are a lot of great examples
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and illustrations that will help you understand the material and I simply don't have time to address them in this lecture.
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Okay, let's learn how to distinguish between deductive and inductive reasoning.
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In the last chapter, you learned what arguments are and how to distinguish them from non -arguments.
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You know that an argument contains at least two statements, and that one of the statements, the conclusion, is intended to be supported or proven by the other statements.
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Now, we're going to focus solely on how to tell a good argument from a bad one.
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In order to evaluate any argument, you should always ask yourself two key questions about that argument.
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The first question is: Do the premises provide good reasons to accept the conclusion?
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And the second question is, are the premises true?
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Now, as strange as this may seem to you, the answer to the last question has absolutely nothing to do with the answer to the first question.
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That's right.
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Logic and truth are two entirely different things.
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Just because something is logical, that doesn't make it true.
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For right now, I want you to put your ideas about what is true aside
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and simply focus on logic and the structure of arguments.
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We will be discussing truth.
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We're not going to ignore it entirely, but you need to understand the concept of good reasons in order to determine
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if an argument follows the correct logical structure or not.
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Let me see if I can make this concept a little clearer for you.
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Here's an argument.
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If the moon is made of green cheese, then you will score perfectly on the next exam.
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The moon is made of green cheese.
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Therefore, you will score perfectly on the next exam.
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Okay, let's look closely at this argument.
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It's made up of two premises and a conclusion.
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The first premise is a conditional statement.
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Remember that you can use those in arguments.
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The second premise is saying that the antecedent of the first statement is true.
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So, since in a conditional statement, if one thing is the case, then the second thing is also the case, the conclusion makes sense.
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Obviously, neither of these premises are true.
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Nevertheless, they provide what are called good reasons to accept the conclusion, because if they were true,
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then the conclusion would also be true.
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Good reasons aren't necessarily true reasons.
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This is something you need to wrap your mind around when looking at arguments.
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The premises don't need to be true for the argument to be structured correctly.
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So hopefully for the moment, at least, you've gotten the idea that truth and logic are not the same thing.
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And right now, we're mostly concerned with logic.
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Again, we're going to add truth back into the discussion later, so don't freak out.
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It's all going to be fine.
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The next thing you need to understand is that there are two basic types of argument: deductive argument and inductive argument.
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In order to really evaluate an argument, you need to know what kind of argument you're looking at.
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They are very different, and you would use different standards to evaluate them.
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Deductive arguments are tempting to prove that their conclusions are correct by using rigorous logic.
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They are leading you to one and only one conclusion.
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In this example, if the President lives in the White House, then the President lives in Washington, D .C.
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The President lives in the White House, therefore the President lives in Washington, D .C.
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The only conclusion that you can draw is that indeed the President lives in Washington, D .C.
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follows necessarily from the premises.
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Based on them, that's the only conclusion that you can come to.
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Inductive arguments, on the other hand, are not quite so precise.
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Inductive reasoning comes to a potentially likely, probable, or possible conclusion based on their premises.
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In this example, "So far, every class our professor has worn jeans.
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Therefore, next class our professor will probably wear jeans."
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The person is arguing that because the professor has worn jeans to every class so far, it's very likely the professor will do it the next class.
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Is the arguer absolutely sure that the professor will wear jeans?
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No, but they've covered their bases by saying probably.
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Even if they didn't say probably, they still know that something else might happen.
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But they're coming to their conclusion based on pretty good evidence.
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It's happened every time so far.
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nice as deductive reasoning.
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So how can you tell whether you're looking at a deductive argument or an inductive one?
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Well, there are several ways.
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First, just like there are certain indicator words that can help you distinguish between the premises and conclusion of an argument,
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there are also indicator words that can help you determine whether the argument is deductive or inductive.
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Because deductive reasoning is more precise, here are some indicator words that point to a deductive argument.
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Certainly, definitely, this entails that, or conclusively, There are other ones, of course, but these are some of the most common.
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Because inductive reasoning is more general and not as precise, words like probably, likely, one would expect,
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the odds are, and reasonable to assume are more likely to be found in them.
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However, as I've said before about indicator words, they are not perfect.
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They may not be present or they might be used incorrectly, as in a speaker saying "it is certain that"
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when really it's not certain and he should have used something like "it's probably true that" or something like that.
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Another way to determine whether it's deductive or inductive is through the strict necessity test.
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An argument's conclusion either follows with strict logical necessity from its premises or it does not.
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If it does, it should be treated as a deductive argument.
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If it doesn't, then it's most likely inductive.
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Here's an example.
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Alan is a father, therefore Alan is a male.
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This is deductive.
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It's actually an argument by definition, which is a form of deductive argument.
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The conclusion that Alan is a male follows necessarily from the premise that Alan is a father, because fathers are by definition male.
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Here's an inductive example.
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Jill is a six -year -old girl.
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Therefore, Jill cannot run a mile in one minute flat.
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Now, why is this inductive?
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Well, it's pretty much impossible for Jill or anyone else for that matter to run a mile in one minute flat.
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But it still doesn't follow necessarily from the premise.
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You know, being six years old really has no connection to running a mile and one minute flat or not.
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And because it doesn't follow from the premise, this is an inductive argument.
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Um, A third way to tell deductive from inductive arguments is to look to see if the argument follows a common pattern.
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Arguments tend to follow characteristic telltale patterns of reasoning, which are different in deductive and inductive arguments.
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Here's an example of a pattern of reasoning that is used in deductive arguments: if P, then Q.
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P, therefore Q.
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This is called the modus ponens pattern.
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Here's an example: if George is from Norway, then George is Scandinavian.
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George is from Norway.
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Therefore, George is Scandinavian.
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There are lots of different patterns for both inductive and deductive arguments, and we're going to look at them shortly.
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And finally, the principle of charity test.
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Now, just like in chapter two, when I said that if you're not sure whether someone is putting forth an argument or not, but if they are, it's a bad argument,
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assume that they are just putting forth an explanation.
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In this case, if you just can't tell what kind of argument it is, but if it's a deductive argument, then it's a bad one,
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you might want to assume that it's an inductive argument that does not need to be as precise as a deductive one.
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In this example, Andy told me that he ate a at Maxine's yesterday, but it burned down a month ago.
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It is certain that he was either lying or mistaken.
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Now the arguer uses the indicator word certain, but does not make this a deductive argument.
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No. Plus, the conclusion doesn't necessarily follow from the premise.
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Could there be other reasons why Andy said he ate vaccines?
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Sure, it could have been rebuilt or reopened somewhere else, so you should assume that this is an inductive argument.
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Let's sum up how to distinguish deductive arguments from inductive ones.
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First, if a conclusion follows necessarily from the premises, then the argument is deductive.
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If the conclusion does not follow necessarily from the premises, it should be treated as inductive unless the language
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or context makes it clear that the arguer intended for it to be deductive
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or it has a typically deductive pattern of reasoning.
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And as I said, we're going to talk about those patterns in part two.
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If it has a typically deductive pattern of reasoning, it should be treated as deductive,
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unless there's clear evidence that the arguer intended for it to be inductive.
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Now, if it has a typically inductive pattern of reasoning, it should be treated as inductive,
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unless there's clear evidence that the arguer intended for it to be deductive.
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And of course we have indicator words that might help,
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but they are often used loosely or improperly or maybe not even there at all and,
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when in doubt, use the principle of charity to interpret the argument in the way most favorable to the arguer.
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This is the end of Part 1 of the lecture on Chapter 3.
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Please move on to Part 2.
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Vocabulaire et conseils d’expression pour cette leçon
Cette vidéo contient 124 phrases et 1638 mots à répéter en shadowing. La partie parlée dure 10:14. Le locuteur parle à un rythme naturel d’environ 160 mots par minute, proche d’une conversation courante. 82 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.
Vocabulaire clé de cette vidéo
15 mots moins courants de la vidéo, avec leur prononciation et leur sens :
- conclusion /kənˈkluːʒən/ (nom) — conclusion, fin. The end, finish, close or last part of something.
- premise /ˈpɹɛm.ɪs/ (nom) — prémisse. A proposition antecedently supposed or proved; something previously stated or assumed as the basis of further argument; a condition; a supposition.
- necessarily /ˌnɛs.əˈsɛɹ.ə.li/ (adverbe) — absolument, nécessairement. Inevitably; of necessity.
- indicator /ˈɪn.dɪˌkeɪ.tə(ɹ)/ (nom) — indicateur. A pointer or index that indicates something.
- precise /pɹɪˈsaɪs/ (adjectif) — précis. Both exact and accurate.
- intend /ɪnˈtɛnd/ (verbe) — avoir l'intention, prévoir. To fix the mind upon (something, or something to be accomplished); be intent upon
- distinguish /dɪˈstɪŋ.ɡwɪʃ/ (verbe) — distinguer. To recognize someone or something as different from others based on its characteristics.
- lecture /ˈlɛk.t͡ʃə/ (nom) — conférence, cours magistral. A spoken lesson or exposition, usually delivered to a group.
- logical /ˈlɑd͡ʒɪkəl/ (adjectif) — logique. In agreement with the principles of logic.
- evaluate /ɪˈvaljʊeɪt/ (verbe) — évaluer. To draw conclusions from examining; to assess; to appraise.
- charity /ˈtʃæɹɪti/ (nom) — charité. An organization, the objective of which is to carry out a charitable purpose.
- principle /ˈpɹɪn.sɪ.pəl/ (nom) — principe. A fundamental assumption, fundamental law or guiding belief.
- examination /ɪɡˌzæm.ɪˈneɪ.ʃən/ (nom) — examen. The act of examining.
- necessity /nɪˈsɛsəti/ (nom) — nécessité, besoin. The quality or state of being necessary, unavoidable, or absolutely requisite.
- conditional /kənˈdɪʃ.ə.nəl/ (nom) — conditionnel. A conditional sentence; a statement that depends on a condition being true or false.
Les verbes à particule que vous entendrez
- look at (verbe) — regarder. To observe or watch.
- burn down (verbe) — carboniser. To cause (a structure) to burn to nothing.
Prononciation à surveiller
Le locuteur utilise 24 contractions et formes réduites, comme we're, doesn't, don't. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « sh » et « zh »: conclusion /kənˈkluːʒən/, distinguish /dɪˈstɪŋ.ɡwɪʃ/, examination /ɪɡˌzæm.ɪˈneɪ.ʃən/, conditional /kənˈdɪʃ.ə.nəl/, shortly /ˈʃɔɹtli/
- Mots longs — placez bien l’accent: necessarily /ˌnɛs.əˈsɛɹ.ə.li/, indicator /ˈɪn.dɪˌkeɪ.tə(ɹ)/, examination /ɪɡˌzæm.ɪˈneɪ.ʃən/, necessity /nɪˈsɛsəti/, conditional /kənˈdɪʃ.ə.nəl/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme conclusion, premise, necessarily.
La grammaire de cette vidéo
Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :
| Structure | Dans la vidéo |
|---|---|
| Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait | is intended · is made · are called |
| Present perfect have/has + participe passé — une action passée qui compte encore maintenant | you've gotten · has worn · they've covered |
| Propositions relatives who / which + proposition — une précision sur une personne ou une chose | definition, which is · reasoning, which are |
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.