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What about the first case?
when f(x)=x;
then how come in case 2 I could write a code which will have two functions
f(x)=y
g(y) = x;
???
please explain..
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What about the first case? when f(x)=x; then how come in case 2 I could write a code which will have two functions f(x)=y g(y) = x; ??? please explain..