. "P164"^^ . "P164 is restricted by"@en . . "Scope note:\nThis property relates an E93 Presence with an arbitrary E52 Time-Span that defines the section of the spacetime volume that this instance of E93 Presence is related to by P166 was a presence of (had presence). that is concerned by this instance of E93 Presence.\n\nExamples:\n\nIn First Order Logic:\nP164 (x,y) \u2283 E93(x)\nP164 (x,y) \u2283 E52(y)"^^ . .