Page 221 - Services Selection Board (SSB) Interviews

Syllogism 217
Let Us Study the various possible cases along with Venn Diagram with all possible inferences.
Case 1. All fruits are flowers. All flowers are leafs
Statement/ premises Converse of statement

All m are n Some n are m
All Fruits are Flowers Some Flowers are Fruits
All Flowers are Leafs Some Leafs are Flowers

Venn Diagram Inference
1. All fruits are Leafs
2. Some Leafs are flowers
3. Some Leafs are Fruits
LEAFS FLOWERS 4. Some Flowers are Fruits

FRUITS
Case 2. ALL P are Q. ALL R are Q.

Statements Inference Venn Diagram
1. All P are Q 1. Some Q are P Q
2. All R and Q 2. Some Q are R
3. Either Some P are R
(or) No P are R. or

F R
P
R
Case 3. All K are M. Some M are S.
Statements Inference Venn Diagram

1. All K are M 1. Some M are K M
2. Some M are S 2. Some S are M
3. Either No K is S (or)
Some K are S. or

K K

S
S
Case 4. All Bs are Ts. Some Bs are Cs.
Statements Inference Venn Diagram

1. All B are T 1. Some T are B
T
2. Some B are C 2. Some C are B
3. Some T are C
C

B