subadditivity

Etymology

From sub- + additivity.

subadditivity means The state of being subadditive. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

The state of being subadditive.
The statement that a function is subadditive.“An outer measure μ^* satisfies a property called “subadditivity”, viz.: μ^* big (∪ⱼ₌₁ ᪲A_j big )<∑ⱼ₌₁ ᪲μ^*(A_j). If the less-than-or-equal sign were replaced with an equal sign then the property would be “additivity” instead.”