The lion is nice. Red things are young. If something is nice and cold then it is red. Cold things are young.
The lion is nice.
("lion" "is" "nice" "+")
Red things are young.
((("something" "is" "red" "+")) -> ("something" "is" "young" "+"))
If something is nice and cold then it is red.
((("something" "is" "nice" "+") ("something" "is" "cold" "+")) -> ("something" "is" "red" "+"))
Cold things are young.
((("something" "is" "cold" "+")) -> ("something" "is" "young" "+"))
The lion is nice.
True
1
proof
[(triple1)]
("lion" "is" "nice" "+")
triple1
The lion is not nice.
False
1
inv-proof
[(triple1)]
("lion" "is" "nice" "-")
triple1
The lion is not red.
Unknown
inv-rconc
[@1: The lion is red.[CWA. Example of deepest failure = (rule2 <- FAIL)]]
("lion" "is" "red" "-")
The lion is cold.
Unknown
random
[@0: The lion is cold.[CWA. Example of deepest failure = (FAIL)]]
("lion" "is" "cold" "+")
@0: The lion is nice.[(triple1)]
The lion is nice.
("lion" "is" "nice" "+")
triple1