Reasoning Flashcards

1
Q

Define propositions

A

Any declarative sentence that expresses something that is either true or false

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2
Q

Define Argument

A

A series of statements typically used to persuade someone of something or to present reasons for accepting a conclusion
Needs premise and conclusion

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3
Q

Define valid

A

Deductive correctness

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4
Q

Define sound

A

When a valid argument has true premises

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5
Q

Define fallacy

A

A logical mistake in reasoning

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6
Q

2 types of argument and the difference between them

A
  1. Deductive: if all of the premises are true, then the conclusion MUST be true (sound)
  2. Inductive: if all of the premises are true the conclusion MIGHT be true, but is not necessarily true (strong)
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7
Q

Premise indicator words

A

If
Since
Because

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8
Q

Conclusion indicator words

A

Thus
Therefore
Hence

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9
Q

Describe 3 different types of fallacies

A
  1. Ad Hominem: when an argument is directed at an opponent in a controversy rather than being directly relevant to the argument
  2. Black and White thinking: a second remark is made as if it logically is followed from the first but has nothing to do with the argument
  3. Appeal to unsuitable authority: when appealing to some famous person as if they were an expert on the topic being discussed
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10
Q

2 types of definitions

A
  1. Analytical: the dictionary definition - the speaker doesn’t want to change the meaning, only wants to characterize the meaning it already has
  2. Stipulative: purpose is to declare how a speaker intends that certain worked or phrase to be understood ( HEAVY truck - does heavy mean it weights 100 tons or contains more weight than…)
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11
Q

What is meant by a verbal dispute?

A

A dispute arising solely from the fact that some word is being used with different meanings

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