\import Algebra.Ring.Boolean
\import Algebra.Ring.Sub
\import Paths.Meta
\class SubBooleanPseudoRing \extends SubPseudoRing {
\override S : BooleanRing
\func IBooleanPseudoRing : BooleanRing \cowith
| PseudoRing => IPseudoRing
| isBooleanRing => ext isBooleanRing
}