an Entity references as follows:
Scope note: This property identifies a name used specifically to identify an E39 Actor. This property is a specialisation of P1 is identified by (identifies) is identified by. Examples: - Tyler Withersopp IV (E39) is identified by "US social security number 619-17-4204" (E82) In First Order Logic: P131(x,y) ⊃ E39(x) P131(x,y) ⊃ E82(y) P131(x,y) ⊃ P1(x,y)