R-principle

Etymology
R stands for.

Proper noun

 * 1) In the neo-Gricean semantics and pragmatics of : a reformulation of 's maxim of relation combined with the second submaxim of quantity and the third and fourth submaxims of manner, stating: "Say no more than you must (given Q)", and implying that there is no reason to make a stronger statement if the extra information can be contributed by implicature.