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# Two Types of Reasoning

Chapter 2
by

## Nuelle Fronda

on 11 November 2012

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#### Transcript of Two Types of Reasoning

The Two Types of Reasoning Nuelle Fronda, Alec Cruz, Mark Marcos, Roize Paguirigan All dogs observed can bark, therefore all dogs can bark.
Every cat I have seen has a tail, so all cats have tails.
Everytime I eat shrimp, I've gotten stomach cramps. I will not eat shrimp today, because that will be the result. Involves trying to create general principles by starting with many specific instances.

Progresses from observations of individual cases to the development of a generality.

Ex: If a child puts his/her hand into a bag of candy and withdraws three pieces, all of which are red, he/she may conclude that all the candy is red. Thank you for listening. Any questions? All dogs are mammals. All mammals have kidneys. Therefore, all dogs have kidneys.

Since all men are mortal, and Socrates is a man, then Socrates is mortal.

Since chemists are scientists and all scientis are smart, all chemists are smart. Two Types of Reasoning Deductive Reasoning

Inductive Reasoning Deductive Reasoning attains a specific conclusion based on generalizations. While, inductive reasoning takes events and
makes generalizations. Inductive and deductive reasoning are two methods of logic used to arrive at a conclusion based on information assumed to be true. Deductive Reasoning Examples Inductive Reasoning Examples Involves a hierarchy of statements or truths

Starting with a limited number of statements or assumptions, more complex statements can be built up from the more basic ones

Can be described as reasoning of the form "If ___, then ____"
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