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 2494-2495
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 2493-2493	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 2505-2505	Eye glass is a subclass of optical device
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2510-2510	Lens is a subclass of optical device
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 2515-2515	Microscope is a subclass of optical device
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 42330-42330
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 42329-42329
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 42328-42328

antecedent

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

Mid-level-ontology.kif 2497-2503

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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