Question

Read the statement shown below.

“A tiger is a cat, and a cat has two legs.”

Which statement has the same truth value as the above statement?

A poodle is a cat, or a dog has four legs.

An ostrich is a bird, and a bird has two legs.

An ostrich is an insect, or all insects have five wings.

A poodle is a dog, or a poodle has two eyes.

Answer 1

I think it is choice a

Answer 2

am I right?

Answer 3

i think it is A too

Answer 4

What do you think ParthKohli?

Answer 5

@ParthKohli Is it choice a?

Answer 6

An ostrich is a bird, and a bird has two legs.

Answer 7

i think not 100% sure

Answer 8

How did you find that answer?

Answer 9

well it goes

A ... is a ..., and a ... has two legs

Answer 10

thats true

Answer 11

but that statement is true on both parts

Answer 12

the statement in question is false on the right side

Answer 13

a cat has two legs is also true

Answer 14

yeah, but not completely

Answer 15

a cat has four legs

Answer 16

the words
or,
all,
are quite meaningful in logic

Answer 17

I think we have to use a truth tab;le

Answer 18

that is also true @dahmanman
if a cat a four legs
it must have two legs, right/?

Answer 19

yeah

Answer 20

all cats have two legs is just as false as all cats have 4 legs,

im sure some cats have zero legs

Answer 21

okay I think you are right

Answer 22

but im not sure exactly what 'truth value' means

Answer 23

if you use a truth table the truth vlues are the same

Answer 24

its what the letters in a truth table represent

Answer 25

do you know what a truth tables is?

Answer 26

vaguely, i haven got one or seen on though

Answer 27

well I guess we both need to study a bit more

Answer 28

well i might go to sleep instead it is 307 in the morning where i am

Answer 29

well that answer was wrong

Answer 30

oh im sorry

Answer 31

but I only missed two out of 18

Answer 32

what was the right answer/

Answer 33

it doest say

Answer 34

lets work it out anyway,
i want to know now

Answer 35

sounds good

Answer 36

i think it would be A poodle is a dog, or a poodle has two eyes

Answer 37

thats what I thought in the beginning

Answer 38

but I changed the answer

Answer 39

@rolla can you explain your reasoning/?

Answer 40

ok will it says a tiger is a cat right , so a poodle is a dog , and they are both true statements

Answer 41

a tiger is a cat really?

Answer 42

the othe rone i missed was
Which of these is a valid conclusion?

All carpenters make furniture.
Patrick is a carpenter.
Therefore Patrick does not make furniture.

All carpenters make furniture.
Patrick is not a carpenter.
Therefore Patrick makes furniture.

All carpenters make furniture.
Patrick makes furniture.
Therefore Patrick is a carpenter.

All carpenters make furniture.
Patrick does not make furniture.
Therefore Patrick is not a carpenter.

Answer 43

its from the cat family , right

?

Answer 44

yeah u r correct

Answer 45

oh ok, but however is read the second part of both sentences the are both invalid

Answer 46

oh ok, but however is read the second part of both sentences the are both invalid

Answer 47

a poodle does have two eyes!

Answer 48

so i thinks its A poodle is a dog, or a poodle has two eyes

Answer 49

how can that be invali

Answer 50

for the second one i would say

All carpenters make furniture.
Patrick does not make furniture.
Therefore Patrick is not a carpenter.

but i might be wrong

Answer 51

well the third is what I chose, its worng

Answer 52

so the fourth one is the obvious chice

Answer 53

what do you think Unkle?

Answer 54

oh duh , i was looking at the second one , i thought this was easy but its actually hard becuase the second chose doesnt work either

Answer 55

@dahmanman
hey you got 88.9% in you last logic assessment maybe you can explain it?

Answer 56

@UnkleRhaukus Anyways, thanks for the help.

Answer 57

im glad my cats have more than two legs

Answer 58

haha