Anne is cold. Dave is white. Harry is cold. Cold things are rough. All rough, quiet things are young.
Anne is cold.
("Anne" "is" "cold" "+")
Dave is white.
("Dave" "is" "white" "+")
Harry is cold.
("Harry" "is" "cold" "+")
Cold things are rough.
((("something" "is" "cold" "+")) -> ("something" "is" "rough" "+"))
All rough, quiet things are young.
((("something" "is" "rough" "+") ("something" "is" "quiet" "+")) -> ("something" "is" "young" "+"))
Harry is cold.
True
1
proof
[(triple3)]
("Harry" "is" "cold" "+")
triple3
Anne is not cold.
False
1
inv-proof
[(triple1)]
("Anne" "is" "cold" "-")
triple1
Anne is not young.
Unknown
inv-rconc
[@1: Anne is young.[CWA. Example of deepest failure = (rule2 <- FAIL)]]
("Anne" "is" "young" "-")
Anne is furry.
Unknown
random
[@0: Anne is furry.[CWA. Example of deepest failure = (FAIL)]]
("Anne" "is" "furry" "+")
@0: Anne is cold.[(triple1)] Dave is white.[(triple2)] Harry is cold.[(triple3)] @1: Anne is rough.[(((triple1) -> rule1))] Harry is rough.[(((triple3) -> rule1))]
Anne is cold.
("Anne" "is" "cold" "+")
triple1
Dave is white.
("Dave" "is" "white" "+")
triple2
Harry is cold.
("Harry" "is" "cold" "+")
triple3
Anne is rough.
("Anne" "is" "rough" "+")
((triple1) -> (rule1 % int1))
Anne is rough.
("Anne" "is" "rough" "+")
int1
Harry is rough.
("Harry" "is" "rough" "+")
((triple3) -> (rule1 % int1))
Harry is rough.
("Harry" "is" "rough" "+")
int1