| Label | ToySolver.Data.MIP.Base, ToySolver.Data.MIP |
| Language | ToySolver.Converter.MIP2SMT |
| lastGroupIndex | ToySolver.Text.GCNF |
| LBool | ToySolver.Data.LBool |
| lc | ToySolver.Data.Polynomial |
| lcm | ToySolver.Data.Polynomial |
| Le | |
| 1 (Data Constructor) | ToySolver.Data.MIP.Base, ToySolver.Data.MIP |
| 2 (Data Constructor) | ToySolver.Data.ArithRel, ToySolver.Data.LA, ToySolver.Data.FOL.Arith, ToySolver.Arith.Simplex2 |
| LearningClause | ToySolver.SAT |
| LearningHybrid | ToySolver.SAT |
| LearningStrategy | ToySolver.SAT |
| lex | ToySolver.Data.Polynomial |
| lFalse | ToySolver.Data.LBool |
| lift1 | ToySolver.Data.LA |
| lift2 | ToySolver.Data.AlgebraicNumber.Root |
| liftBool | ToySolver.Data.LBool |
| linearize | ToySolver.SAT.Integer |
| linearizePBSum | ToySolver.SAT.PBNLC |
| linearizePBSumWithPolarity | ToySolver.SAT.PBNLC |
| LinearSearch | ToySolver.SAT.PBO |
| Lit | |
| 1 (Type/Class) | ToySolver.SAT.Types, ToySolver.SAT |
| 2 (Type/Class) | ToySolver.FOLModelFinder |
| 3 (Type/Class) | ToySolver.Arith.Cooper.Base, ToySolver.Arith.Cooper |
| literal | ToySolver.SAT.Types, ToySolver.SAT |
| LitMap | ToySolver.SAT.Types |
| litNot | ToySolver.SAT.Types, ToySolver.SAT |
| litPolarity | ToySolver.SAT.Types, ToySolver.SAT |
| LitSet | ToySolver.SAT.Types |
| litUndef | ToySolver.SAT.Types |
| litVar | ToySolver.SAT.Types, ToySolver.SAT |
| lm | ToySolver.Data.Polynomial |
| lnot | ToySolver.Data.LBool |
| logMessage | ToySolver.SAT.PBO.Context |
| lookupCoeff | |
| 1 (Function) | ToySolver.Data.Polynomial |
| 2 (Function) | ToySolver.Data.LA |
| lookupRow | ToySolver.Arith.Simplex |
| LP | ToySolver.Arith.LPSolver |
| Lt | ToySolver.Data.ArithRel, ToySolver.Data.LA, ToySolver.Data.FOL.Arith, ToySolver.Arith.Simplex2 |
| lt | ToySolver.Data.Polynomial |
| lTrue | ToySolver.Data.LBool |
| LubyRestarts | ToySolver.SAT |
| lUndef | ToySolver.Data.LBool |