The division, between non-rigid designator, rigid designator and strong rigid designator, associates closely with Kripke's discussion about the concept of necessity.
The JTAC LTD incorporates Elbit Systems' high performance miniaturized Rattler designator, currently in full scale production and implemented to date on numerous airborne and ground based programs.
Move the mouse around into various Windows to see the focus designator track across your display and gradually fade out.
Kripke and Putnam who has presented the theory of the historic causality consider that proper name is the rigid designator, and always refers to the same object in every possible world.
The scale on the constant temperature controller is for contrast temperature indication only; it is not a designator temperature scale.
A rigid designator of a necessary existent can be called strongly rigid.
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