≺ \(\prec\) — Strict Cardinality Order Predicate (≺, AST Constructor: TpLess)
Binary strict cardinality relation (A ≺ B) ⟷ ¬(B ⪯ A) (Entry DefCardLess (3.42)).
| Field | Mathematical & Kernel Specification (MKTD1 / MKTD2) |
|---|---|
| Symbol |
≺
\(\prec\)
|
| Category | Predicate Symbol (Binary Class Relation) |
| SML AST Constructor | HP (TpLess of ('Class_EXP * 'Class_EXP)) [in datatype Truth_p, typetheory.ML:680] |
| Constructor Arguments | 1. Smaller class A : Class; 2. Larger class B : Class |
| Metatype / Signature | Class × Class → Bool |
| Binder Status | No — Binary Predicate Symbol (Strict Cardinality Order) |
| Defining Kernel Entries (ML Labels) | See Related Symbols & Kernel Entries below. |
| LaTeX Form | \prec |
| How to Understand It | SML AST Constructor: |
| Canonical Law / Usage | (A ≺ B) ⟷ ¬(B ⪯ A) |
| Related Symbols & Kernel Entries |