-- card: 12587 from stack: in
-- bmap block id: 16925
-- flags: 4000
-- background id: 8367
-- name: Facts


-- part 1 (field)
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-- style flags: 256
-- line height: 18
-- part name: 


-- part 3 (field)
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-- high flags: 0002
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-- part contents for card part 1
----- text -----
The knowledge base of an expert system is built out of symbols. In HyperX, these symbols are called Facts. Here are some simple Facts

-- part contents for background part 1
----- text -----
Facts

-- part contents for card part 3
----- text -----
All men are mortal
The temperature is over 100 degrees
The engine will turn over
Birds of a feather flock together

-- part contents for card part 4
----- text -----
Facts can represent "fuzzy" or vague meanings, as well as simple observations. In HyperX, all of the words on one line are understood to be one Fact. Any reference to that Fact must have all the same words and spelling or HyperX will think they are different Facts.