\import Algebra.Ring.Boolean
\import Algebra.Ring.SubRing
\import Paths.Meta
\class SubBooleanPseudoRing \extends SubPseudoRing {
\override S : BooleanRing
}
\instance IBooleanPseudoRing (S : SubBooleanPseudoRing {}) : BooleanRing
| PseudoRing => IPseudoRing S
| isBooleanRing => ext isBooleanRing