From FreeSpace Wiki
true
True (Boolean operator)
A true boolean state
Returns a boolean value.
false
False (Boolean operator)
A false boolean state
Returns a boolean value.
and
And (Boolean operator)
And is true if all of its arguments are true.
Returns a boolean value. Takes 2 or more boolean arguments.
and-in-sequence
And in sequence (Boolean operator)
Returns true if all of its arguments have become true in the order they are listed in.
Returns a boolean value. Takes 2 or more boolean arguments.
or
Or (Boolean operator)
Or is true if any of its arguments are true.
Returns a boolean value. Takes 2 or more boolean arguments.
not
Not (Boolean operator)
Returns opposite boolean value of argument (True becomes false, and false becomes true).
Returns a boolean value; Takes 1 boolean argument.
=
Equals (Boolean operator)
Is true if all of it's arguments are equal.
Returns a boolean value; Takes 2 or more numeric arguments.
>
Greater than (Boolean operator)
True if first argument is greater than the second argument.
Returns a boolean value; Takes 2 numeric arguments.
<
Less than (Boolean operator)
True if first argument is less than the second argument.
Returns a boolean value; Takes 2 numeric arguments.
is-iff
Is IFF (Boolean operator)
True if ship{s} are all of the specified team.
Returns a boolean value; Takes 2 or more arguments:
/t1: Team ("friendly", "hostile" or "unknown").
Rest: Name of ship to check.
has-time-elapsed
Has time elapsed (Boolean operator)
Becomes true when the specified amount of time has elapsed (Mission time becomes greater than the specified time).
Returns a boolean value; Takes 1 numeric argument:
1: The amount of time in seconds.
