Bob is furry. Harry is young. If something is furry then it is quiet.
Bob is furry.
("Bob" "is" "furry" "+")
Harry is young.
("Harry" "is" "young" "+")
If something is furry then it is quiet.
((("something" "is" "furry" "+")) -> ("something" "is" "quiet" "+"))
Bob is furry.
True
1
proof
[(triple1)]
("Bob" "is" "furry" "+")
triple1
Harry is not young.
False
1
inv-proof
[(triple2)]
("Harry" "is" "young" "-")
triple2
Bob is quiet.
True
2
proof
[(((triple1) -> rule1))]
("Bob" "is" "quiet" "+")
((triple1) -> (rule1 % int1))
Bob is quiet.
("Bob" "is" "quiet" "+")
int1
Bob is not quiet.
False
2
inv-proof
[(((triple1) -> rule1))]
("Bob" "is" "quiet" "-")
((triple1) -> (rule1 % int1))
Bob is quiet.
("Bob" "is" "quiet" "+")
int1
Harry is not quiet.
Unknown
inv-rconc
[@1: Harry is quiet.[CWA. Example of deepest failure = (rule1 <- FAIL)]]
("Harry" "is" "quiet" "-")
Harry is red.
Unknown
random
[@0: Harry is red.[CWA. Example of deepest failure = (FAIL)]]
("Harry" "is" "red" "+")
Harry is not furry.
Unknown
inv-random
[@0: Harry is furry.[CWA. Example of deepest failure = (FAIL)]]
("Harry" "is" "furry" "-")
Bob is red.
Unknown
random
[@0: Bob is red.[CWA. Example of deepest failure = (FAIL)]]
("Bob" "is" "red" "+")
@0: Bob is furry.[(triple1)] Harry is young.[(triple2)] @1: Bob is quiet.[(((triple1) -> rule1))]
Bob is furry.
("Bob" "is" "furry" "+")
triple1
Harry is young.
("Harry" "is" "young" "+")
triple2
Bob is quiet.
("Bob" "is" "quiet" "+")
((triple1) -> (rule1 % int1))
Bob is quiet.
("Bob" "is" "quiet" "+")
int1