Existing CAS commands --> Prime discussion

[compsystems]

.
On GIAC kernel

(function operator)
not(0) [↵] true
not(1) [↵] false
NOT(false) [↵] true
NOT(true) [↵] false

(prefix operator)
not false [↵] // It does not interpret.
NOT false [↵] true
NOT true [↵] false

not(0), not(1), NOT(false), NOT(true), NOT false, NOT true [↵] true,false,true,false,true,false

test on-line then press [ok], then [exec] button
https://www-fourier.ujf-grenoble.fr/~par...20true&;

HP Prime CAS

not(0), not(1), NOT(false), NOT(true), NOT false, NOT true [↵]
1,0,1,0,1,0 // numerical output in a symbolic environment =(