[MunkDev]

firstArgument = true
secondArgument = false
 
if not (firstArgument and secondArgument) then print(1)
    -- This is true, because the arguments in the
    -- parenthesis are resolved first. 
    -- Since secondArgument is false, the overall outcome inside
    -- the parenthesis will also be false.
    -- Once it gets back outside the parenthesis, the statement is negated,
    -- meaning it results in the reverse value of the parenthesis outcome.
end
 
if not firstArgument and secondArgument then print(2)
    -- This is false, because the keyword 'not' will in this case
    -- negate the firstArgument, but has no effect on the secondArgument.
end
 
if firstArgument and not secondArgument then print(3)
    -- This is true, because the secondArgument will be negated into true,
    -- and since firstArgument is also true, the overall outcome is true.
end
 
if (not firstArgument and secondArgument) then print(4)
    -- This is false, because it's not any different from the second
    -- example. Since nothing affects the if-case outside the
    -- parenthesis, it'll result in the same outcome.
end
 
if not (not firstArgument and secondArgument) then print(5)
    -- This is true, because the parenthesis returns false, which is then
    -- negated into true. firstArgument is negated into false, consolidated
    -- with secondArgument into false again, and then negated into true.
end
 
if firstArgument or secondArgument then print(6)
    -- This is true, because the firstArgument is true.
    -- If either argument is true when using 'or', it'll result in true,
    -- even if one or more arguments are false.
end
 
if secondArgument or firstArgument then print(7)
    -- This is true all the same, because even though secondArgument is
    -- checked first, firstArgument is still true and thus the outcome is true.
end
 
if secondArgument or not firstArgument then print(8)
    -- This is false, because both arguments will be false.
    -- secondArgument is already false, and firstArgument is negated into false,
    -- as explained in the second example.
end
 
if ( firstArgument and not secondArgument) or (not firstArgument and secondArgument) then print(9)
    -- The first parenthesis results in true, the second parenthesis results in false.
    -- Since either argument will do, because we're using 'or', the result is true.
end