| (subclass PerceptualAttribute RelationalAttribute) | Merge.kif 17636-17636 | Perceptual attribute is a subclass of relational attribute |
| (subclass SoundAttribute PerceptualAttribute) | Merge.kif 13618-13618 | Sound attribute is a subclass of perceptual attribute |
| (subclass TasteAttribute PerceptualAttribute) | Merge.kif 17649-17649 | Taste attribute is a subclass of perceptual attribute |
| (subclass OlfactoryAttribute PerceptualAttribute) | Merge.kif 17660-17660 | Olfactory attribute is a subclass of perceptual attribute |
| (subclass VisualAttribute PerceptualAttribute) | Merge.kif 17664-17664 | Visual attribute is a subclass of perceptual attribute |
| (subclass TextureAttribute PerceptualAttribute) | Merge.kif 17784-17784 | Texture attribute is a subclass of perceptual attribute |
|
|