oppositeNumber

P21101 predicate

Indicates that one number is the additive inverse of the other, such that their sum equals zero.

Subject	Object
Empress of the French	Emperor of the French →
House Majority Whip	House Minority Whip →
House Republican Conference Chair	House Democratic Caucus Chair →
Opposition Chief Whip in the House of Commons	Parliamentary Secretary to the Treasury (Government Chief Whip) →