“A syllogism is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true.” Wikipedia contributors. "Syllogism." Wikipedia, The Free Encyclopedia. 7 Jun. 2015. Web. 14 Jun. 2015
1.1 arguments, premises, and conclusionsSaqlain Akram
Formal Logic : Leacture 01
Chapter 1: Basic Concepts
1.1 Arguments, Premises, and Conclusions
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“A syllogism is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true.” Wikipedia contributors. "Syllogism." Wikipedia, The Free Encyclopedia. 7 Jun. 2015. Web. 14 Jun. 2015
1.1 arguments, premises, and conclusionsSaqlain Akram
Formal Logic : Leacture 01
Chapter 1: Basic Concepts
1.1 Arguments, Premises, and Conclusions
Follow on Facebook:
https://web.facebook.com/learnforgood...
and on Youtube:
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Like, Comment and Share.
Also Subscribe For More Videos.
Learn For Good.
Scientific method vs. hollow earth theoryMarcus 2012
http://marcusvannini2012.blogspot.com/
http://www.marcusmoon2022.org/designcontest.htm
Shoot for the moon and if you miss you'll land among the stars...
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As researchers working in government, influencing service design, we need to know that our research is methodologically sound, our research findings are grounded in empirical data and our recommendations are logically derived.
'Understanding arguments, reasoning and hypotheses' is the first in a series of 5 short courses, covering introduction courses to various aspects of methodology in research, from the use of grounded theory in discovery research, to hypothesis testing and sampling in more experimental research.
In this course, you'll learn:
About arguments
- what we mean by an argument
- how to identify a valid/invalid argument
- what we mean by premises
- what validity and soundness of arguments mean
About reasoning
- what is deductive reasoning and where do we use it
- what is inductive reasoning and where do we use it
- what is abductive reasoning and where do we use it
About hypotheses
- what is a hypotheses and a null hypothesis
- how do we test them
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
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The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
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This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
6. Reason
The faculty of reason (rationality) is a mental ability found in
human beings and normally considered to be a definitive
characteristic of human nature. It is closely associated with such
human activities as language, science, art, mathematics, and
philosophy.
Reason is the way rational beings propose and consider
explanations concerning cause and effect, true and false, and what
is good or bad. The ways in which human beings reason through an
argument are the subject of inquiries in the field of logic.
7. Reasons—Statements that support another
statement (known as the conclusion). Reasons
justify a conclusion, or make it more probable.
Conclusion—A statement that explains,
asserts or predicts on the basis of statements
known as reasons that are offered as evidence
for it.
9. Inductive Reasoning:
An argument form in which one reasons from premises that
are known or assumed to be true to a conclusion that is
supported by the premises but does not necessarily follow
from them.
The kind of thinking that is done to form general ideas based
on experience and observation.
Inductive reasoning allows us to create generalizations about
things, such as people, places, events, the environment, etc.
10. Inductive Reasoning:
The process of recognizing patterns or
observing patterns and drawing a conclusion
based on that pattern.
Reasoning from a specific case or cases and
deriving a general rule.
12. By Example
Owls turning head
http://www.youtube.com/watch?v=8TL8pSFd-hQ&NR=1&feature=fvwp
http://www.youtube.com/watch?v=hoc42xegVt8&NR=1
http://www.youtube.com/watch?v=h-jtQZwPPGQ
We can induce from these examples that owls (or most or many owls)
have the ability to turn their heads in a unique way.
13. By Cause
Argument by cause
attempts to establish
a cause and effect
relationship between
two events. The link
below gives us a
causal explanation
for the owl’s ability to
turn its head.
Owl head-turning explained—also an authority speaking on her area of expertise
http://www.youtube.com/watch?v=pBe4Kz0RsKE
14. By Authority
A person who is a
legitimate expert is more
likely to be right than
wrong when making
considered claims within
her area of expertise. The
claim is being accepted
because it is reasonable
to believe that the expert
has tested the claim and
found it to be reliable.
here’s an authority on wild cheetahs
http://izismile.com/2011/04/20/woman_confronts_wild_cheetahs_then_pets_one.html
15. By Sign
This is in some ways a
type of tightly linked
cause and effect
reasoning that has more
certainty. Footprints are
an indication that
someone has walked by
recently. The sun rising
is a sign of the morning.
Here’s Sherlock Holmes inferring many truths from a hat
http://www.youtube.com/watch?v=1bCS4icTrH0
17. Inductive conclusions are
established in four stages:
• Observation: collect facts, without bias.
• Analysis: classify the facts, identifying patterns of regularity.
• Inference: From the patterns, infer generalizations about the
relations between the facts.
• Confirmation: Testing the inference through further
observation.
18. Opinion Polls
A recent Gallop Poll reported that 74% of the American
Public believes abortion should be legal.
A poll is a form of empirical generalization, a general
statement about an entire group made on the basis of
observing some members of the group.
19. Questions to Ask About Polls
Is the sample known?
Is the sample sufficient?
Is the sample representative?
Do the conclusion seem reliable?
Why or why not?
20. Inductive arguments can include:
• Part-to-whole: where the whole is assumed to be like
individual parts (only bigger).
• Extrapolations: where areas beyond the area of study
are assumed to be like the studied area.
• Predictions: where the future is assumed to be like the
past.
23. Deductive reasoning starts with a general case
in order to draw conclusions about specific
instances.
Deductive reasoning starts with an assumed
hypothesis, theory or truth. This assumption
may be well-accepted or rather shaky—but if it’s
true, the conclusion can not be questioned.
Deductive reasoning is used by scientists to
take a general scientific law and apply it to a
certain case when they assume that the law is
true.
24. All planets revolve around stars.
The earth is a planet.
Therefore the earth revolves around a star.
The earth revolves around the sun.
Therefore the sun is a star.
25. Deductive reasoning assumes that the basic law
from which you argue is applicable in all cases.
Scientists will prove a general law for a
particular case and then do many deductive
experiments to demonstrate that the law holds
true in many different circumstances.
Using deductive reasoning usually is a credible
and safe form of reasoning, but it is based on
the assumed truth of the rule or law on which it
is founded.
28. Deduction begins with the general and
ends with the specific.
All men are mortal
Socrates is a man
Therefore Socrates is mortal.
syllogism
29. A syllogism
The
syllogism is
at the core of
traditional
deductive
reasoning.
cartoon
30. Valid Argument: An argument in
which the reasons support the
conclusions so that the conclusion
follows the reasons offered.
Invalid Argument: An argument in
which the reasons do not support the
conclusion so that the conclusion does
not follow from the reasons offered.
31.
32. What’s Wrong with this?
Penguins are black and white.
Some old TV shows are black and
white.
Therefore some penguins are old
TV shows.
33. All men are mortal.
Socrates is mortal.
Therefore Socrates is man.
not a valid argument, why?
43. Checking our premises:
Is a penguin is a bird?
BBC: Do Penguins Fly?
From the BBC
http://www.youtube.com/watch?v=9dfWzp7rYR4
BBC Explanation
http://www.youtube.com/watch?
v=lzhDsojoqk8&feature=watch_response
44. Premises
Birds. Class *Aves. Birds are feathered,
winged, bipedal, warm-blooded, egg-laying
vertebrates.
Aves is Latin for birds and is universally used as
the scientific term for the class of organisms to
which birds belong.
Either our premise that all birds fly is wrong, or our premise
that penguins are birds is wrong.
45. If, by definition penguins are feathered, winged, bipedal,
warm-blooded, egg-laying vertebrates, then they are
birds. The next question has to be, do all birds fly or
just some?
If the answer is “some,” then your premise, “birds fly”
is wrong, and therefore your conclusion is wrong.
From Wikipedia:
“All living species of birds have wings—the now extinct flightless
moa of New Zealand were the only exception. Wings are evolved
forelimbs, and most bird species can fly. Flightless birds include
ratites, penguins, and a number of diverse endemic island species.”
46. In deductive reasoning you must
expain and defend the premises
There is no way to admit the truth of a premise and
deny the truth of the conclusion.
premise: birds fly
premise: a penguin is a bird
conclusion: penguins fly
49. modus tollens
denying the consequence
• If Michael is a good friend, he will loan
me his car for the weekend.
• Michael won’t loan me his car.
• Therefore Michael is not a good friend.
51. modus tollens
denying the consequence
From Sherlock Holmes, Silver Blaze
Dogs bark at strangers.
The dog didn’t bark when the horse disappeared.
Therefore whoever took the horse away was not a
stranger.
Editor's Notes
Premises about the correlation of two things can indicate a causal relationship between them, but additional factors must be confirmed to establish the exact form of the causal relationship. Argument by cause attempts to establish a cause and effect relationship between two events. This is a form of reasoning that argues that the interactions of two or more incidents are not merely coincidental, but was actually related in some meaningful way.
Despite the inherent weakness in this argument, a person who is a legitimate expert is more likely to be right than wrong when making considered claims within her area of expertise. In a sense, the claim is being accepted because it is reasonable to believe that the expert has tested the claim and found it to be reliable. So, if the expert has found it to be reliable, then it is reasonable to accept it as being true. Thus, the listener is accepting a claim based on the testimony of the expert. Naturally, the main challenge is determining whether the person in question is a legitimate expert or not. Is the authority qualified to make a judgment? Is the authority trustworthy and honest? Is the authority experienced?
Argument by sign asserts that two or more things are so closely related that the presence or absence of one indicates the presence or absence of the other. This is in some ways a type of tightly linked cause and effect reasoning that has more certainty. Footprints are an indication that someone has walked by recently. The sun rising is a sign of the morning. Is the relationship strong? Is the relationship automatic? Is there an alternate cause? Is there an accumulation of signs pointing towards agreement? Are there contradictory signs present?
If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck. The process of analogical inference involves noting the shared properties of two or more things, and from this basis inferring that they also share some further property. An analogical argument is an argument in which one concludes that two things are alike in a certain respect because they are alike in other respects. So we can say, Obama is like superman, because he takes the same stance. Analogies can range from the very literal, such as drawing an analogy between humans and the rats used to test a new medicine, to the metaphorical, such as the blood and money example given above. Are there significant points of similarity or difference? Are the points of similarity crucial to the comparison? Are the differences irrelevant to the comparison? Is the analogy strengthened by quantity, or is there just one comparison? Is the analogy realistic, or is it hypothetical or fantastic?