Saturday, April 19, 2014

Syllogism Examples Tricks shortcuts Part - 2 - Deductive Reasoning

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Syllogism Examples 


as i mentioned earlier in part-1 of  Syllogism - Statements and Logical Conclusions Rules Tricks here i will add Syllogism Examples.  Here is Brief Examples of syllogism or Statement and logical conclusion. there are many types of syllogism but we do not have to worry about it as we are going to solve any syllogism examples
Nothing is better than God 
Peanut butter is better than nothing 
Peanut butter is better than God 

What is a Definition of Syllogism 

Syllogism is known as Statements and Logical Conclusions with Logical Arguments. Syllogism is a part of  Deductive ReasoningA 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.

Syllogism Tricks, techniques and shortcuts to solve

as i mentioned here about syllogism venn diagram solution with shortcuts now i will show you another method which can be comfortable if you don't have much time to draw circles of venn diagrams.
lets say if you are confused on statements and you do not find any answers of syllogism venn diagram. then remember below techniques.
In all the statement of syllogism questions, first-term is called subject and second is called predicate.
no matter what the subject is or a predicate is, just remember the first one is a subject and second one is predicate. see the below examples.



statement
subject
predicate
all pigs are ducks
pigs
ducks
all bjp are congressies
bjp
congressies
all bowlers are batsman
bowlers
batsman
all readers are commentators
readers
commentators



Now see that each statement has 4 variables like i mentioned below.


things
subject
is/are (not)
predicate
all
dogs
are
cats
some
readers
are not
commentators


types of statements in syllogism

Statement
type
code name
All pigs are ducks
Universal Positive
UP
Some Pigs are Ducks
Particular Positive
PP
No Pig is a Duck
Universal Negative
UN
Some Pigs are not Ducks
Particular Negative
PN

how to classify which statement is universal or particular? 

All, every, any, none, not a single, only
Universal
Some, many, a few, quite a few, not many, very little, most of, almost, generally, often, frequently
Particular

Conversation of statements 


Code-Name
Conversation
UP
Only PP
UN
PN or UN
PP
Only PP
PN
We Can not convert it



UP+UP=UP
UP+UN=UN
UN+(UP/PP)=PN
PP+(UP/UN)= PP OR PN



here is the easy way to understand the upper chart.

All + All = All
All + No = No
All + Some = No Conclusion
Some + All = Some
Some + Some = No Conclusion
Some + No = Some Not
No + No = No Conclusion
No + All = Some not reversed
No + Some = Some not reversed

so how we going to solve this syllogism questions in exams?

Let's solve this question to be understood the trick.

Statement : 
All mothers are parents. (UP)
Some women are not mothers. (PN)

Conclusion : 

A All mothers are women
B Some mothers are parents
C All parents are mothers
D None of the above

Now you can see ALL + Some have no conclusion so that means our answer would be (D) 

in the next tutorial we will discuss more about Syllogism Examples. it takes two hours to write an articles and it takes 10 seconds to share. so please Keep Sharing the knowledge.

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