Noun

(*plural* relative pseudo-complements)

- (mathematics) The residual operation of a Heyting algebra when considered as a residuated lattice whose monoid operation is the meet operation. Equivalently, the
*relative pseudo-complement*of*a*with respect to*b*is the supremum of the set of all*z*such that , where denotes the meet operation of the given Heyting algebra.

Usage notes

- The
*relative pseudo-complement*is analogous to material implication and may be represented by an infix right arrow: .