The given statement is
If line m is parallel to linen and the slope of line m is greater than 1, then the slope of linen is greater
than 1.
This statement is always true because parallel lines have the same exact slope, otherwise they wouldn't be parallel.
Therefore, the complete statement would be
This statement is always true. If line m is parallel to line n, then the lines have an equal slope. Therefore, if the slope of m is greater than 1, the slope of n is always greater than 1.