A.6.5:5.5 - Formal reduced case
The expression 3 < 5 is notation carried by a mathematical assertion episteme. Its numeral occurrences, comparison sign, and left and right operand places are representation elements; they are not thereby FPF relation participants or SlotSpecs. When a reusable direct-relation declaration is current in an FPF use, the relation definition must identify what entities the numerals designate, the lesser-number and greater-number participant meanings, and the obtaining condition. Its RelationSignature may then contain local SlotSpecs such as LesserNumberSlot and GreaterNumberSlot. An explicit correspondence relates the operand places and their designations to those SlotSpecs. Operand order remains local to the mathematical representation, and the notation alone neither establishes the world-side relation nor individuates an occurrence. No receiving use in this case relies on occurrence identity, so the engineer stops at the typed assertion.