• x > y yields True if x is determined to be greater than y.
• > > yields True if the form a strictly decreasing sequence.
when its arguments are real numbers.
• Greater does some simplification when its arguments are not numbers.
• For exact numeric quantities, Greater
internally uses numerical approximations to establish numerical ordering. This process can be affected by the setting of the global variable $MaxExtraPrecision
• New in Version 1; modified in 3.