Charlie is rough. Dave is red. Fiona is red. Harry is white. If something is white then it is round.
Charlie is rough.
("Charlie" "is" "rough" "+")
Dave is red.
("Dave" "is" "red" "+")
Fiona is red.
("Fiona" "is" "red" "+")
Harry is white.
("Harry" "is" "white" "+")
If something is white then it is round.
((("something" "is" "white" "+")) -> ("something" "is" "round" "+"))
Harry is white.
True
1
proof
[(triple4)]
("Harry" "is" "white" "+")
triple4
Fiona is not red.
False
1
inv-proof
[(triple3)]
("Fiona" "is" "red" "-")
triple3
Charlie is not round.
Unknown
inv-rconc
[@1: Charlie is round.[CWA. Example of deepest failure = (rule1 <- FAIL)]]
("Charlie" "is" "round" "-")
Harry is smart.
Unknown
random
[@0: Harry is smart.[CWA. Example of deepest failure = (FAIL)]]
("Harry" "is" "smart" "+")
@0: Charlie is rough.[(triple1)] Dave is red.[(triple2)] Fiona is red.[(triple3)] Harry is white.[(triple4)] @1: Harry is round.[(((triple4) -> rule1))]
Charlie is rough.
("Charlie" "is" "rough" "+")
triple1
Dave is red.
("Dave" "is" "red" "+")
triple2
Fiona is red.
("Fiona" "is" "red" "+")
triple3
Harry is white.
("Harry" "is" "white" "+")
triple4
Harry is round.
("Harry" "is" "round" "+")
((triple4) -> (rule1 % int1))
Harry is round.
("Harry" "is" "round" "+")
int1