Bob is big. Bob is kind. Bob is quiet. If something is young and nice then it is quiet. Young things are quiet.
Bob is big.
("Bob" "is" "big" "+")
Bob is kind.
("Bob" "is" "kind" "+")
Bob is quiet.
("Bob" "is" "quiet" "+")
If something is young and nice then it is quiet.
((("something" "is" "young" "+") ("something" "is" "nice" "+")) -> ("something" "is" "quiet" "+"))
Young things are quiet.
((("something" "is" "young" "+")) -> ("something" "is" "quiet" "+"))
Bob is quiet.
True
1
proof
[(triple3)]
("Bob" "is" "quiet" "+")
triple3
Bob is not kind.
False
1
inv-proof
[(triple2)]
("Bob" "is" "kind" "-")
triple2
Bob is not young.
Unknown
inv-random
[@0: Bob is young.[CWA. Example of deepest failure = (FAIL)]]
("Bob" "is" "young" "-")
Bob is nice.
Unknown
random
[@0: Bob is nice.[CWA. Example of deepest failure = (FAIL)]]
("Bob" "is" "nice" "+")
@0: Bob is big.[(triple1)] Bob is kind.[(triple2)] Bob is quiet.[(triple3)]
Bob is big.
("Bob" "is" "big" "+")
triple1
Bob is kind.
("Bob" "is" "kind" "+")
triple2
Bob is quiet.
("Bob" "is" "quiet" "+")
triple3