Children as young as four are known to have relational concepts such as insideness, sameness, and so on (eg, Smith, 1989).
Source: wiktionary
Insideness
Synonyms for "insideness"
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
If we can establish a point that is guaranteed to be outside of our polygon, we can test the insideness of any point by connecting this test point to our outside point by a straight line and counting the number of times the line crosses the polygon.
Source: wiktionary