TreeView Knowledge Base Browser - OpticalDevice

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Sigma KEE - OpticalDevice

OpticalDevice(optical device)

diffusing_screen, light_filter, scope, telephoto_lens, telescope, zoom_lens

appearance as argument number 1

No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2487-2488
No TPTP formula. May not be expressible in strict first order.	pictureList.kif 1205-1205
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2486-2486	Optical device is a subclass of device

appearance as argument number 2

No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2498-2498	Eye glass is a subclass of optical device
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2503-2503	Lens is a subclass of optical device
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2508-2508	Microscope is a subclass of optical device
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 42332-42332
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 42331-42331
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 42330-42330

antecedent

No TPTP formula. May not be expressible in strict first order.

Mid-level-ontology.kif 2490-2496

If a physical is an instance of optical device,
then the physical has the purpose there exists an entity such that the entity is an instance of seeing and the physical is an instrument for the entity

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