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	Seven is larger than five. +
Five is larger than three. +

Therefore, seven is larger than three. +
1. c




Five is not both larger than six and smaller than four. +
If Five is not larger than six, it is not larger than seven. +
If five is smaller than four, it is not smaller than three. -

Therefore, The number five is not larger than seven and it is not smaller than three. 
b

There are no blue dogs
Dogs can fly

Therefore, anything that flies cannot be a blue dog.
3. b

Harry is richer than Ben
Ben is not poorer than Frank
Frank is not richer than Harry
Andrew is richer than ben but not richer than harry.

Therefore, harry is richer than each of the three guys. 
c

a
c
a

c ....eeek

b ... What is the conclusion?

Greene ran the 100 meters in seconds. 
No human has ever run the 100 meters faster. 



Anna is taller than Betty. 
Betty is not taller than Clara.
Clara is not taller than Anna
Clara is not smaller than betty. 
Diana is as tall as betty. 
Erin is taller than Diana. 
Erin is smaller than Clara.

Betty is not taller than clara+
Erin is smaller than clara+
erin is taller than diana+
diana is as tall as betty+
clara is not smaller than betty+

Clara is tallest. 

B<=C...ED...D=B....C>=B...

Betty is not taller than Clara.
 Clara is not taller than anna
 dianna is as tall as betty. 

B<=C ...C<=A....D=B

Diana is smaller than anna