UnequalsEval

UnequalsEval[expr1, expr2]

UnequalsEval[expr1, expr2] logical operator that evaluates expressions expr1 and expr2 and returns True of False based on whether the two expressions evaluate to the same expression.

Example in out
Check whether 4 and 2 are different expressions. UnequalsEval[ 4, 2 ] True
Check whether x+2 and x+4-2 are different expressions where x is defined as 5 in the script. UnequalsEval[x+2,x+4-2] False