|An item on the stack||The NOT of the argument||
Pops one item from the stack, treats it as a boolean value, 'nots' it, and pushes 0 or 1 back to the stack.
If the item is TRUE, 0 is pushed to the stack. If the item is FALSE, 1 is pushed to the stack.
True not Trace #prints out 0 (False) to the tracelog False not Trace #prints out 1 (True) to the tracelog