relative pseudo-complement

relative pseudo-complement (plural relative pseudo-complements)

  1. (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 z \wedge a \leqslant b, where \wedge denotes the meet operation of the given Heyting algebra.

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