+ and @ Logic operators

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kzinda
Posts: 62
Joined: Fri Nov 30, 2001 6:18 am

+ and @ Logic operators

Post by kzinda »

I am confused about how the + and @ operators differ. Which query would be considered more restrictive and how does Texis interpret them?

+sensor @0 control measure

vs.

+sensor control measure
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mark
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Posts: 5519
Joined: Tue Apr 25, 2000 6:56 pm

+ and @ Logic operators

Post by mark »

+ and @ have no bearing on each other. @ only applies to sets with "=" logic (no logic setting implies "=").
+a b c
is the same as
+a b c @1
and is more restrictive than
+a b c @0
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