PD0008 · conservative definition

ModEq

Balanced-natural congruence modulo m.

Current library: Alpha v34, 4,223 checked-use theorems; Stable remains 432. Historical first admissions, original proof editions, and non-admitted aliases are preserved. Exact original first-admission records.

Readable signature

ModEq(m,a,b)

Exact expansion

exists u v. a + m * u = b + m * v

This node is conservative notation, not a theorem, new axiom, predicate constant, or kernel rule. Its expansion is checked for exact first-order AST equivalence.

Definition neighborhood

Expands using

none

Used by definitions

none

Used by theorem statements or local proof propositions