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