I AM SAYING IF WE DO THE REPLACEMENT , WE DEFINITELY DO REDUCE THE VALUE OF THE EXPRESSION AND THIS REDUCED VALUE IS 1 .
THEREFORE , THE ORIGINAL VAUE OF THE EXPRESSION SHOULD BE >1 ( SINCE WE EVALUATED THE REDUCED EXPRESSION AND GOT 1 ) .
WHERE AM I SAYING THAT THE VALUE DOES NOT CHANGE. IT DEFINITELY CHANGES ( gets reduced ) AND THE ANS. WE GET IS THE REDUCED ANSWER .HENCE , THE ORIGINAL EXP. IS MORE THAN THIS VALUE .