op:numeric-equal(numeric $operand1, numeric $operand2) => boolean
op:numeric-less-than(numeric $operand1, numeric $operand2) => boolean
op:numeric-greater-than(numeric $operand1, numeric $operand2) => boolean
op:numeric-less-than-or-equal(numeric $operand1, numeric $operand2) => boolean
op:numeric-greater-than-or-equal(numeric $operand1, numeric $operand2) => boolean
op:numeric-not-equal(numeric $operand1, numeric $operand2) => boolean