| UAbsNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UAddNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UAndBitsTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UAndTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UAny | Grisette.Core.Control.Monad.UnionM, Grisette.Internal.Core | 
| UBinaryTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UBVConcatTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UBVExtendTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UBVSelectTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UComplementBitsTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UConTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UDivBoundedIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UDivIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UEqvTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UGeneralFunApplyTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UITETerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| ULENumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| ULTNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UMinusNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term, Grisette.Internal.IR.SymPrim | 
| uminusNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.InternedCtors | 
| UModBoundedIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UModIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UMrg | Grisette.Core.Control.Monad.UnionM, Grisette.Internal.Core | 
| UnaryOp | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term, Grisette.Internal.IR.SymPrim | 
| unaryPartial | Grisette.IR.SymPrim.Data.Prim.PartialEval.PartialEval, Grisette.Internal.IR.SymPrim | 
| UnaryPartialStrategy | Grisette.IR.SymPrim.Data.Prim.PartialEval.PartialEval, Grisette.Internal.IR.SymPrim | 
| unarySomeIntN | Grisette.Core.Data.BV | 
| unarySomeIntNR1 | Grisette.Core.Data.BV | 
| unarySomeSymIntN | Grisette.IR.SymPrim.Data.SymPrim | 
| unarySomeSymIntNR1 | Grisette.IR.SymPrim.Data.SymPrim | 
| unarySomeSymWordN | Grisette.IR.SymPrim.Data.SymPrim | 
| unarySomeSymWordNR1 | Grisette.IR.SymPrim.Data.SymPrim | 
| unarySomeWordN | Grisette.Core.Data.BV | 
| unarySomeWordNR1 | Grisette.Core.Data.BV | 
| UnaryTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term, Grisette.Internal.IR.SymPrim | 
| UnaryTermPatt | Grisette.IR.SymPrim.Data.Prim.Helpers, Grisette.Internal.IR.SymPrim | 
| unaryUnfoldOnce | Grisette.IR.SymPrim.Data.Prim.PartialEval.Unfold, Grisette.Internal.IR.SymPrim | 
| unDefault | Grisette.Core, Grisette | 
| unDefault1 | Grisette.Core, Grisette | 
| Underflow | Grisette.Core.Data.Class.SafeArith | 
| underlyingBoolTerm | Grisette.IR.SymPrim.Data.SymPrim, Grisette.IR.SymPrim, Grisette | 
| underlyingIntegerTerm | Grisette.IR.SymPrim.Data.SymPrim, Grisette.IR.SymPrim, Grisette | 
| underlyingIntNTerm | Grisette.IR.SymPrim.Data.SymPrim, Grisette.IR.SymPrim, Grisette | 
| underlyingTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| underlyingUnion | Grisette.Core.Control.Monad.UnionM, Grisette.Internal.Core | 
| underlyingWordNTerm | Grisette.IR.SymPrim.Data.SymPrim, Grisette.IR.SymPrim, Grisette | 
| unIntN | Grisette.Core.Data.BV | 
| Union | Grisette.Core.Data.Union, Grisette.Internal.Core | 
| unionIf | Grisette.Core.Data.Class.SimpleMergeable, Grisette.Core, Grisette | 
| UnionLike | Grisette.Core.Data.Class.SimpleMergeable, Grisette.Core, Grisette | 
| UnionM | Grisette.Core.Control.Monad.UnionM, Grisette.Internal.Core, Grisette.Core, Grisette | 
| UnionPrjOp | Grisette.Core.Data.Class.SimpleMergeable, Grisette.Core, Grisette | 
| unionSet | Grisette.Core.Data.Class.ModelOps, Grisette.Core, Grisette | 
| unionSize | Grisette.Core.Control.Monad.UnionM, Grisette.Core, Grisette | 
| UnionWithExcept | Grisette.Core.Data.Class.Solver, Grisette.Core, Grisette | 
| Unk | Grisette.Backend.SBV.Data.SMT.Solving, Grisette.Backend.SBV, Grisette | 
| unModel | Grisette.IR.SymPrim.Data.Prim.Model, Grisette.IR.SymPrim, Grisette | 
| UNotTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| Unsafe1t21BinaryTermPatt | Grisette.IR.SymPrim.Data.Prim.Helpers | 
| Unsafe1u2t32TernaryTermPatt | Grisette.IR.SymPrim.Data.Prim.Helpers | 
| unsafeAxiom | Grisette.Utils.Parameterized, Grisette.Utils, Grisette | 
| UnsafeBinaryTermPatt | Grisette.IR.SymPrim.Data.Prim.Helpers | 
| unsafeFromModelValue | Grisette.IR.SymPrim.Data.Prim.ModelValue | 
| unsafeKnownProof | Grisette.Utils.Parameterized, Grisette.Utils, Grisette | 
| unsafeLeqProof | Grisette.Utils.Parameterized, Grisette.Utils, Grisette | 
| unsafeMkNatRepr | Grisette.Utils.Parameterized, Grisette.Utils, Grisette | 
| UnsafeUnaryTermPatt | Grisette.IR.SymPrim.Data.Prim.Helpers | 
| Unsat | Grisette.Backend.SBV.Data.SMT.Solving, Grisette.Backend.SBV, Grisette | 
| unSymbolSet | Grisette.IR.SymPrim.Data.Prim.Model, Grisette.IR.SymPrim, Grisette | 
| unWordN | Grisette.Core.Data.BV | 
| UOrBitsTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UOrTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UQuotBoundedIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UQuotIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| URemBoundedIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| URemIntegralTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| URotateBitsTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UShiftBitsTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| USignumNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| USymTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UTabularFunApplyTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UTernaryTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UTimesNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UUMinusNumTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UUnaryTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term | 
| UXorBitsTerm | Grisette.IR.SymPrim.Data.Prim.InternedTerm.Term |