P {\displaystyle !P} can be understood as abbreviating the parallel composition of a countably infinite number of P {\displaystyle {\mathit {P}}} processes: !
P {\displaystyle !P} gali būti suprastas kaip trumpinimas lygiagrečios sudėties begalinio skaičiaus P {\displaystyle {\mathit {P}}} procesų: !