Add missing "a"

Fix typo, missing "a"
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Dan Rollo 2023-11-30 15:54:28 -05:00 committed by GitHub
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commit a09c3453d2
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@ -58,7 +58,7 @@ Untyped-Language | doesn't have | type definitions
> ✅ Think how triplets can be used to represent other types of knowledge.
2. **Hierarchical representations** emphasize the fact that we often create a hierarchy of objects inside our head. For example, we know that canary is a bird, and all birds have wings. We also have some idea about what colour canary usually is, and what is their flight speed.
2. **Hierarchical representations** emphasize the fact that we often create a hierarchy of objects inside our head. For example, we know that canary is a bird, and all birds have wings. We also have some idea about what colour a canary usually is, and what is their flight speed.
- **Frame representation** is based on representing each object or class of objects as a **frame** which contains **slots**. Slots have possible default values, value restrictions, or stored procedures that can be called to obtain the value of a slot. All frames form a hierarchy similar to an object hierarchy in object-oriented programming languages.
- **Scenarios** are special kind of frames that represent complex situations that can unfold in time.