Page 46 - NUMINO Challenge_B2
P. 46
Basic Concepts Deduction Tables ABC
1
A deduction table, as shown on the right, lets 2
you deduce conclusions more easily. 3
Example The last names of Peter, Jenny, and Lisa are Hill, Smith, or Brown.
Using the conditions below and deduce the last name of each
person.
Conditions
Jenny is taller than the Hill.
Peter is not a Hill.
The Smith is shorter than Peter.
Class Notes
From the first condition, Jenny is not a Hill. From the second condition, Peter is not a
Hill. From the third condition, Peter is not a Smith. Make a deduction table and mark
for true and for false.
Hill Smith Brown
Fill in the remaining spaces with and to complete the table.
Hill Smith Brown
Conclusion: Peter , Jenny , and Lisa .
43Reasoning
1
A deduction table, as shown on the right, lets 2
you deduce conclusions more easily. 3
Example The last names of Peter, Jenny, and Lisa are Hill, Smith, or Brown.
Using the conditions below and deduce the last name of each
person.
Conditions
Jenny is taller than the Hill.
Peter is not a Hill.
The Smith is shorter than Peter.
Class Notes
From the first condition, Jenny is not a Hill. From the second condition, Peter is not a
Hill. From the third condition, Peter is not a Smith. Make a deduction table and mark
for true and for false.
Hill Smith Brown
Fill in the remaining spaces with and to complete the table.
Hill Smith Brown
Conclusion: Peter , Jenny , and Lisa .
43Reasoning
