Question

2.THERE ARE 2 RESTAURANTS NEXT TO EACH OTHER. ONE HAS A SIGN THAT SAYS"GOOD FOOD IS NOT CHEAP" AND THE OTHER HAS A SIGN; THAT SAYS"CHEAP FOOD IS NOT GOOD". ARE THE SIGNS SAYING THE SAME THING ? PROVE THAT THEY ARE LOGICALLY EQUIVALENT.​

Answer 1

Answer:

they both are saying same thing . they are logically equivalent . they both resturant say same thing because one is saying Food which is good never be cheap whereas one is saying a food which is cheap that is not good . so, in this way both are saying same thing

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Answer 2

Answer:

both statements are contra positive of each other

Explanation:

p: good food

q: cheap food

so, statement 'a' is "good food is not cheap".

a: p => ~q

statement 'b' is "cheap food is not good".

b: q => ~p

conclusion is statement 'b' is contra positive of 'a'.