# Syllogism

To solve such problems the knowledge of venn-diagram is very useful.Hence,we have laid down the four propositions(A,E,I,O),seven Venn-Diagram of syllogism so that candidates may not find any difficulty while solving questions based on syllogism.
Note: First of all diagram should be made. By doing so questions are easily and quickly solved.
How to draw Venn diagram:

Eg.1 - If the first word is related to second word and second word is related to third word. Then they will be shown by diagram as given below.
Unit, Tens, Hundreds

Explanation: Ten units together make one Tens or in one tens, whole unit is available and ten tens together make one hundreds.

Eg.2:
If two different items are completely related to third item, they will be shown as below.

Problems of Syllogism:

Eg.3 –
Statement:
All cards are Boxes.
No box is Slate
Some Slates are Tiles.
Conclusion:
No slate is card
Some tiles are boxes.
Explanation- According to the statements,Venn diagram is

Hence,only conclusion 1 is true.

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