Question 484431
using 0=false 1=true,
* just to avoid font mash (both _ and . fail and * isn't perfect).
As I recall, ~ is done with 1st priority.
Note how values appear directly below variables & functions,
Established values carry straight down.
~p->(~qVr).
*1****1*0 --- given
0****0*** --- eval ~
*******0* --- eval V
***1***** --- eval ->
True