Dave is big. Fiona is big. Gary is big. Harry is big. If Harry is nice and Harry is blue then Harry is white.
Dave is big.
("Dave" "is" "big" "+")
Fiona is big.
("Fiona" "is" "big" "+")
Gary is big.
("Gary" "is" "big" "+")
Harry is big.
("Harry" "is" "big" "+")
If Harry is nice and Harry is blue then Harry is white.
((("Harry" "is" "nice" "+") ("Harry" "is" "blue" "+")) -> ("Harry" "is" "white" "+"))
Dave is big.
True
1
proof
[(triple1)]
("Dave" "is" "big" "+")
triple1
Harry is not big.
False
1
inv-proof
[(triple4)]
("Harry" "is" "big" "-")
triple4
Harry is not white.
Unknown
inv-rconc
[@1: Harry is white.[CWA. Example of deepest failure = (rule1 <- FAIL)]]
("Harry" "is" "white" "-")
Gary is round.
Unknown
random
[@0: Gary is round.[CWA. Example of deepest failure = (FAIL)]]
("Gary" "is" "round" "+")
@0: Dave is big.[(triple1)] Fiona is big.[(triple2)] Gary is big.[(triple3)] Harry is big.[(triple4)]
Dave is big.
("Dave" "is" "big" "+")
triple1
Fiona is big.
("Fiona" "is" "big" "+")
triple2
Gary is big.
("Gary" "is" "big" "+")
triple3
Harry is big.
("Harry" "is" "big" "+")
triple4