Question

If A is a true statement, which of the following is correct?
options are :
A & not A <=> TRUTH
A=> not A
A or not A <=> TRUTH
A or not A <=> LIE

Answer 1

@hartnn

Answer 2

have the truth table of <=> ??

Answer 3

this is not truth table

Answer 4

what is that symbol?

Answer 5

i think its third option ... did u have any idea?

Answer 6

its just that we have to show

Answer 7

i think @UnkleRhaukus is best suited for this...

Answer 8

\[\begin{array}{ccccc}
A &|& \sim A &|& A \&\sim A&|&A\text v \sim A\\ \hline \\T&&?&&?&&?
\end{array}\]

Answer 9

unkle what does => mean?

Answer 10

it means what will be the final result

Answer 11

and i knew TRUE or anything is TRUE...

Answer 12

so it was 3rd option, but didn't know what => meant

Answer 13

ok.... even i m not confirmed about second option

Answer 14

thanks guys.

Answer 15

unkle => ??

Answer 16

=> means if ... then ..., right ?

Answer 17

\(\Rightarrow\) means a proposition

Answer 18

so A=> not A means?

Answer 19

\[\emptyset\]

Answer 20

i mean in words?

Answer 21

=> means &~ ??

Answer 22

no

Answer 23

\[\begin{array}{ccccc}
A & \sim A & A \&\sim A&A|\sim A\\ \hline \\T&F&F&T
\end{array}\]

Answer 24

loo at the last term in the table

Answer 25

look*

Answer 26

lol, now what does | mean??

Answer 27

or

Answer 28

so basically => means ~|

Answer 29

|~

Answer 30

A is truth or lie