Dave is nice. Harry is not quiet. If something is red then it is not white.
Dave is nice.
("Dave" "is" "nice" "+")
Harry is not quiet.
("Harry" "is" "quiet" "-")
If something is red then it is not white.
((("something" "is" "red" "+")) -> ("something" "is" "white" "-"))
Dave is nice.
True
1
proof
[(triple1)]
("Dave" "is" "nice" "+")
triple1
Harry is quiet.
False
1
inv-proof
[(triple2)]
("Harry" "is" "quiet" "+")
triple2
Dave is not cold.
Unknown
inv-random
[@0: Dave is cold.[CWA. Example of deepest failure = (FAIL)]]
("Dave" "is" "cold" "-")
Dave is red.
Unknown
random
[@0: Dave is red.[CWA. Example of deepest failure = (FAIL)]]
("Dave" "is" "red" "+")
@0: Dave is nice.[(triple1)] Harry is not quiet.[(triple2)]
Dave is nice.
("Dave" "is" "nice" "+")
triple1
Harry is not quiet.
("Harry" "is" "quiet" "-")
triple2