Charlie is blue. Gary is green. If something is white then it is green. If something is green and round then it is white.
Charlie is blue.
("Charlie" "is" "blue" "+")
Gary is green.
("Gary" "is" "green" "+")
If something is white then it is green.
((("something" "is" "white" "+")) -> ("something" "is" "green" "+"))
If something is green and round then it is white.
((("something" "is" "green" "+") ("something" "is" "round" "+")) -> ("something" "is" "white" "+"))
Charlie is blue.
True
1
proof
[(triple1)]
("Charlie" "is" "blue" "+")
triple1
Charlie is not blue.
False
1
inv-proof
[(triple1)]
("Charlie" "is" "blue" "-")
triple1
Charlie is not green.
Unknown
inv-rconc
[@2: Charlie is green.[CWA. Example of deepest failure = (rule1 <- rule2 <- FAIL)]]
("Charlie" "is" "green" "-")
Gary is round.
Unknown
random
[@0: Gary is round.[CWA. Example of deepest failure = (FAIL)]]
("Gary" "is" "round" "+")
@0: Charlie is blue.[(triple1)] Gary is green.[(triple2)]
Charlie is blue.
("Charlie" "is" "blue" "+")
triple1
Gary is green.
("Gary" "is" "green" "+")
triple2