The InvariantLayer is the terminal object in the category of admissible semantic kernels. Every dialect admits a unique structure-preserving morphism into it. ISAR.morphism_uniqueness
| Dialect | Lean name | Morphism theorem | Status |
|---|---|---|---|
| Lambda calculus | ISAR.compile | compile_simulates_red | proved |
| HF Sets (ZFC fragment) | ISAR.HF_Kernel | HF_Kernel_factorization | proved |
| SKI TRS | ISAR.TRS_Dialect | — | implemented |
| Stack Bytecode | ISAR.Bytecode_Dialect | — | implemented |
| Barker's Iota | ISAR.Iota_Dialect | orbit: I→A→K→S→X→I | implemented |
| Quantity Kernel | — | — | conjectural |