context

Here's my most fundamental view of context.
Imagine that I decide to record all my knowledge in a diary.  Every day, I write propositions in my diary, numbering them 1, 2, ....
Today, I record proposition 123456789; the context of proposition 123456789 is the list of propositions from 1 to 123456788.
It's that simple!

My KR language and KE program is my way of recording, organizing & using a large list of propositions.
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Dick McCullough 
knowledge := man do identify od existent done
knowledge haspart proposition list