`-Y``is`

`+X``Y`is the value of arithmetic expression`X``+X``=:=`

`+Y`- the results of evaluating terms
`X`and`Y`as arithmetic expressions are equal. `+X``=\=`

`+Y`- the results of evaluating terms
`X`and`Y`as arithmetic expressions are not equal. `+X``<`

`+Y`- the result of evaluating
`X`as an arithmetic expression is less than the result of evaluating`Y`as an arithmetic expression. `+X``>=`

`+Y`- the result of evaluating
`X`as an arithmetic expression is not less than the result of evaluating`Y`as an arithmetic expression. `+X``>`

`+Y`- the result of evaluating
`X`as an arithmetic expression`X`is greater than the result of evaluating`Y`as an arithmetic expression. `+X``=<`

`+Y`- the result of evaluating
`X`as an arithmetic expression is not greater than the result of evaluating`Y`as an arithmetic expression.

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