Jim, it is I who is thick and you are 100% correct.
I need a holiday
Thanks

>SNIP
>
>Dave,
>
>Call me thick, but I don't see what you are getting at...
>
>I would expect the second to evaluate T, being evaluated from left to right because I see its alternate form as " .t. or (.t. and .F.) ". So I guess I would call it 'precedence' if one means that the "AND" word is *considered first* in relating the operands to operators, but I would still say that evaluation proceeds from left to right once those decisions have been made.
>
>What I am trying to say is that the operators seem to be evaluated/considered in the order as documented but the actual evaluation of the expression then proceeds from left to right. Both of your examples would support that, wouldn't they?
>
>Cheers,
>
>Jim N
>
>
>>
>>Jim,
>>Try this,
>>? (.t. or .t.) and .F.
>>? .t. or .t. and .F.
>>
>>AND has precedence over OR, the second expression returns .T.! The first expression forces left to right evaluation.