XPath 2.0 reference

XPaths | expressions

!= | > | >> | >= | < | << | <= | (::) | * | + | ‚ | − | ⋅ | ⋅⋅ | ⁄⁄ | = | @ | [] | and | cast as | castable as | div | eq | every..in..satisfies | except | for..in..return | ge | gt | idiv | if..then..else | instance of | intersect | is | le | lt | mod | ne | or | some..in..satisfies | to | treat as | union | | |

Greater then. General comparisons are existentially quantified comparisons that may be applied to operand sequences of any length. When evaluating a general comparison in which either operand is a sequence of items, an implementation may return true as soon as it finds an item in the first operand and an item in the second operand that satisifies the condition.

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XPath 2.0 reference