Anne is blue. Harry is blue. All young, round things are quiet. All blue, young things are red.
Anne is blue.
("Anne" "is" "blue" "+")
Harry is blue.
("Harry" "is" "blue" "+")
All young, round things are quiet.
((("something" "is" "young" "+") ("something" "is" "round" "+")) -> ("something" "is" "quiet" "+"))
All blue, young things are red.
((("something" "is" "blue" "+") ("something" "is" "young" "+")) -> ("something" "is" "red" "+"))
Anne is blue.
True
1
proof
[(triple1)]
("Anne" "is" "blue" "+")
triple1
Harry is not blue.
False
1
inv-proof
[(triple2)]
("Harry" "is" "blue" "-")
triple2
Harry is not quiet.
Unknown
inv-rconc
[@1: Harry is quiet.[CWA. Example of deepest failure = (rule1 <- FAIL)]]
("Harry" "is" "quiet" "-")
Anne is round.
Unknown
random
[@0: Anne is round.[CWA. Example of deepest failure = (FAIL)]]
("Anne" "is" "round" "+")
@0: Anne is blue.[(triple1)] Harry is blue.[(triple2)]
Anne is blue.
("Anne" "is" "blue" "+")
triple1
Harry is blue.
("Harry" "is" "blue" "+")
triple2