inclusion-exclusion principle

(redirected from Inclusion exclusion)

inclusion-exclusion principle

[¦in‚klü·zhən ′eks‚klü·zhən ‚prin·sə·pəl]
(mathematics)
The principle that, if A and B are finite sets, the number of elements in the union of A and B can be obtained by adding the number of elements in A to the number of elements in B, and then subtracting from this sum the number of elements in the intersection of A and B.
References in periodicals archive ?
But how does the compounding effect of inclusion-ordering on exchange ratios compare with those that result from the compounding effects of inclusion exclusion, inclusion-null, exclusion-ordering, and null-ordering?