, \(,\) — Tuple, Argument, Context & Quantifier Separator Comma (,)
Separates arguments in functional/predicate applications FFI(t, x, 𝛗), components in Dunaev ordered pairs (A, B), and sequent components (𝘞, Γ ⊢ 𝛗).
| Field | Mathematical & Kernel Specification (MKTD1 / MKTD2) |
|---|---|
| Symbol |
,
\(,\)
|
| Category | Structural Delimiter |
| SML AST Constructor | Kernel AST Symbol / Sort Constructor in typetheory.ML (Class_p / Truth_p / EXP / UCol) |
| Constructor Arguments | Typed arguments as specified by the Signature / Sort field above |
| Metatype / Signature | Syntactic Separator Token |
| Binder Status | See Category & Signature above |
| Defining Kernel Entries (ML Labels) | See Related Symbols & Kernel Entries below. |
| LaTeX Form | , |
| How to Understand It | Role in Kernel Syntax: Structural separator token in tuples, pairs, lists, and multi-argument operators. |
| Canonical Law / Usage | (A, B) = [A, B] |
| Related Symbols & Kernel Entries |