STATEMENTS

(True or False)

5 + 4 = 11

9 is an integer

8 > 12 Sum of angles in

triangle = 260

NOT A STATEMENT

5 + 4

x + y

Come here!How old are you?

TRUTH TABLE

TRUE AND FALSE FALSE

FALSE AND TRUE FALSE

TRUE AND TRUE TRUE

FALSE AND FALSE FALSE

TRUE OR FALSE TRUE

FALSE OR TRUE TRUE

TRUE OR TRUE TRUE

FALSE OR FALSE FALSE

Determine whether the statement is true or

false 2 + 3 = 6 AND 3 x 4 = 12

2 + 3 = 6 OR 3 x 4 = 12

23 is a prime number OR a prime factor of 45

23 is a prime number AND a prime factor of 45

9 OR 65 are perfect cubes

9 AND 65 are perfect cubes

CONVERSE

Question : If x > 9, then x > 81

Converse: If x > 81 then x > 9

Question: If y is divisible by 3, then 7y is divisible by 9

Converse: If 7y is divisible by 9, then y is divisible by 3

ARGUMENTS

AN ARGUMENT IS MADE UP OF

PREMISES

AND

CONCLUSION

PREMISE 1: ALL CARNIVORES EAT MEAT

PREMISE 2: TIGERS ARE CARNIVORES

CONCLUSION:

TIGERS EAT MEAT

PREMISE 1: ALL MAMMALS GIVE BIRTH TO THEIR YOUNG

PREMISE 2: MONKEYS ARE MAMMALS

CONCLUSION:

MONKEYS GIVE BIRTH TO THEIR YOUNG

PREMISE 1: ALL MAMMALS GIVE BIRTH TO THEIR YOUNG

PREMISE 2: FROGS ARE NOT MAMMALS

CONCLUSION:

FROGS DO NOT GIVE BIRTH TO THEIR YOUNG

PREMISE 1: ALL ALKALIS HAVE A pH VALUE THAT IS GREATER THAN 7

PREMISE 2: SODIUM HYDROXIDE IS AN ALKALI

CONCLUSION:

SODIUM HYDROXIDE HAS A pH VALUE THAT IS GREATER THAN 7

PREMISE 1: IF GOPAL WAKES UP LATE, THEN HE GOES TO WORK BY TAXI

PREMISE 2: GOPAL WAKES UP LATE

CONCLUSION:

HE GOES TO WORK BY TAXI

PREMISE 1: IF THE LAST 2 DIGITS OF X IS DIVISIBLE BY 4, THEN X IS A MULTIPLE OF 4

PREMISE 2: THE LAST 2 DIGITS OF X IS DIVISIBLE BY 4

CONCLUSION:

X IS A MULTIPLE OF 4

PREMISE 1:

IF JUNAIDI DRIVES AT A SPEED EXCEEDING 80 KM H-1, THEN HE COMMITS A TRAFFIC OFFENCE

PREMISE 2:

JUNAIDI DRIVES AT A SPEED OF 96 KM H-1

CONCLUSION:

HE COMMITS A TRAFFIC OFFENCE

PREMISE 1:

IF JUNAIDI DRIVES AT A SPEED EXCEEDING 80 KM H-1, THEN HE COMMITS A TRAFFIC OFFENCE

PREMISE 2:

JUNAIDI DRIVES AT A SPEED OF 72 KM H-1

CONCLUSION:

HE DOES NOT COMMITS A TRAFFIC OFFENCE

PREMISE 1: ALL LIVING ORGANISMS REPRODUCE

CONCLUSION: PLANTS REPRODUCE

PREMISE 2: PLANTS ARE LIVING ORGANISMS

PREMISE 1: IF X = 0 THEN Y= 4

CONCLUSION: Y = 4

PREMISE 2: X = 0

PREMISE 1: IF X = 5 THEN X – 5 = 0

PREMISE 2: X – 5 0

CONCLUSION: X 5

PREMISE 1: IF 2 is a factor of n, then n is an even number

PREMISE 2: 2 is a factor of n

CONCLUSION: n is an even number

PREMISE 1 : IF triangle ABC has three equal sides,

then triangle ABC is equilateral

PREMISE 2 : Triangle ABC does not have three equal sides

CONCLUSION: Triangle ABC is not equilateral