RE: notted boolean expressions (was: output specs and indicators)

Rick,

see inline.

Scott Mildenberger

> -----Original Message-----
> From: Richard B Baird [mailto:rbaird@esourceconsulting.com]
> Sent: Monday, December 02, 2002 2:01 PM
> To: rpg400-l@midrange.com
> Subject: RE: notted boolean expressions (was: output specs and
> indicators)
>
>
>
> Scott,
>
> I thought I had always grouped my expressions well when
> warrented, but I'm
> still unclear.  does the phrase in your post at the bottom
> mean that if ANY
> ONE of the indicators are off, the entire expression is true?

No

>
> or does it mean that if 99 is off and 98 and 98 are on, the
> expression is
> true?
>

Yes, this is what is correct.

> what about:
>
>     if    not *in10 and not *in11
>
> does this mean both 10 and 11 must be off for the expression
> to be true? or
> somthing else?
>

Both 10 and 11 must be off for the expression to be true.