Actually,  an undergraduate course in symbolic logic would suffice :-) 
-Dwight
Mlo betazoid on Android sgn2

On Oct 12, 2015, "Smith, John" <[email protected]> wrote:
>Dwight
>
>Just one small point:
>
>> 2. Fill in the fields, [starred] [is false] [and]
>should surely read:
>> 2. Fill in the fields, [starred] [is *true*] [and]
>
>Otherwise... Brilliant! (as ever)
>
>Re the usability of the interface I caught myself saying out loud
>"You have got to be joking.  Un bl**dy believable."
>and
>"You practically need to do a PhD on it to work it out."
>
>Many thanks
>
>J
>
>
>On 11 October 2015 at 22:49, Dwight Arthur <[email protected]> wrote:
>
>> Before we start this new subject let's be totally clear that MLO's
>> approach to Boolean grouping is insufferably arcane and tedious.
>There's no
>> excuse for such a difficult interface, except perhaps that no one
>except
>> the hopeless geeks will even try to use it. The whole thing feels as
>though
>> it was designed in 1963. So John, please don't feel as though you
>need to
>> convince me that it could be improved.
>>
>> I'm going to describe this in small steps. I know that you know much
>of
>> this already but I'm also writing this for future readers who stumbl
>onto
>> this post.
>>
>> In the Setup Advanced Filtering window
>> 1. hit the Add Rule button
>> 2. Fill in the fields, [starred] [is false] [and]
>> 3. hit the Add Rule button again. The first rule collapses to
>"(starred)
>> AND"
>> 4. Do Not Enter Any Fields In The New (second) Rule!!!
>> 5. Hit the Add Subrule button. The second rule collapses to ">"
>> 6. Fill in the fields in the first subrule, [StartDateTime]
>[OnOrBefore]
>> [Now] [Or
>>
>> 7. Hit the Add Rule button. Maybe you would like to hit Add Subrule
>but
>> that would be incorrect. Thefirst subrule collapses without much
>change.
>> 8. Fill in the fields in the second subrule [startDateTime] [does not
>> exist]. Ignore the trailing conjunction, it's nugatory.
>> 9. Hit the [-] button before the second (empty) rule. The two
>subrules
>> collapse to "((StartDateTime on or beforeNow) OR (StartDateTime does
>not
>> exist))"
>>
>> Voila, there are your brackets.
>>
>> BTW Now is an undocumented but supported variable. You can make it
>even
>> more valuable by doing math with it. For example, to see all the
>tasks that
>> you have postponed for two hours, try
>> ((StartDateTime on or after Now) AND (StartDateTime on or before Now
>+ 2H))
>>
>> -Dwight
>> MLO Betazoid on Windows, Cloud and Android SGN2
>> On 10/11/2015 9:54 AM, John . Smith wrote:
>>
>> Thanks.
>>
>> Ok new problem. I put things into the future quite a lot e.g. using
>hotkey
>> "Alt/S" followed by "2H" so that it disappears for 2 hours.
>>
>> That aspect of what it means to be "Active" was helpful for me. But
>now
>> with "All" actions showing these tasks are not disappearing.
>>
>> In Advanced rules I already have "Starred is true" so I added AND
>>  "StartDateTime" - "on or before" - "now",
>> however the result is that items that do now have a Start Date set
>are
>> removed!
>> (Fwiw, "now" appears to be undocumented... but seems to work )
>>
>> What I need is
>> "Starred is true" AND
>> ( "StartDateTime" - "on or before" - "now",  OR
>>   "StartDateTime" - "does not exist"  )
>>
>> However I can't work out how to put the brackets in !
>>
>>
>>
>>
>>
>> On Sunday, October 11, 2015 at 2:17:14 PM UTC+1, Dwight Arthur wrote:
>>
>>> Don't overlook the [Config] button to the right of Show Hierarchy.
>You
>>> might find it useful,  for example, to set a parent filter that
>includes
>>> parents only if they are starred.
>>>
>>> Caution: filtered hierarchies can be confusing. For example,  if you
>show
>>> starred tasks and their starred parents, and a starred task has an
>>> unstarred parent and a starred grandparent,  the parent will be
>shown to
>>> protect the integrity of the hierarchy even though that seems to
>violate
>>> the parent filter.  Also, if your filter produces overlapping
>subtrees they
>>> will be merged which can produce confusing results until you figure
>out
>>> what's happening.
>>> -Dwight
>>> Mlo betazoid on Android sgn2
>>>
>>> On Oct 11, 2015, "John . Smith" <[email protected]> wrote:
>>>
>>> I just rediscovered the "Show Hierarchy" (Y/N) option which is
>great. I
>>> shall now experiment with using both!
>>>
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