The bald eagle is nice. The bald eagle sees the cow. The bald eagle visits the cow. The bald eagle visits the lion. The cow is nice. The cow visits the bald eagle. The lion needs the bald eagle. The lion needs the cow. The lion does not see the cow. The lion does not visit the cow. If the lion does not visit the bald eagle then the lion needs the cow. If something sees the lion then the lion needs the cow. If something visits the cow and the cow does not need the bald eagle then the bald eagle is young. If something needs the bald eagle and the bald eagle visits the cow then the bald eagle sees the lion. If something is young and it sees the cow then the cow is not nice. If something sees the bald eagle and it is not green then the bald eagle does not need the lion.
The bald eagle is nice.
("bald eagle" "is" "nice" "+")
The bald eagle sees the cow.
("bald eagle" "sees" "cow" "+")
The bald eagle visits the cow.
("bald eagle" "visits" "cow" "+")
The bald eagle visits the lion.
("bald eagle" "visits" "lion" "+")
The cow is nice.
("cow" "is" "nice" "+")
The cow visits the bald eagle.
("cow" "visits" "bald eagle" "+")
The lion needs the bald eagle.
("lion" "needs" "bald eagle" "+")
The lion needs the cow.
("lion" "needs" "cow" "+")
The lion does not see the cow.
("lion" "sees" "cow" "-")
The lion does not visit the cow.
("lion" "visits" "cow" "-")
If the lion does not visit the bald eagle then the lion needs the cow.
((("lion" "visits" "bald eagle" "~")) -> ("lion" "needs" "cow" "+"))
If something sees the lion then the lion needs the cow.
((("something" "sees" "lion" "+")) -> ("lion" "needs" "cow" "+"))
If something visits the cow and the cow does not need the bald eagle then the bald eagle is young.
((("something" "visits" "cow" "+") ("cow" "needs" "bald eagle" "~")) -> ("bald eagle" "is" "young" "+"))
If something needs the bald eagle and the bald eagle visits the cow then the bald eagle sees the lion.
((("something" "needs" "bald eagle" "+") ("bald eagle" "visits" "cow" "+")) -> ("bald eagle" "sees" "lion" "+"))
If something is young and it sees the cow then the cow is not nice.
((("something" "is" "young" "+") ("something" "sees" "cow" "+")) -> ("cow" "is" "nice" "-"))
If something sees the bald eagle and it is not green then the bald eagle does not need the lion.
((("something" "sees" "bald eagle" "+") ("something" "is" "green" "~")) -> ("bald eagle" "needs" "lion" "-"))
The lion needs the cow.
True
1
proof
[(triple8 OR ((((triple7 triple3) -> rule4)) -> rule2))]
("lion" "needs" "cow" "+")
triple8
((((triple7 triple3) -> (rule4 % int2))) -> (rule2 % int1))
The lion needs the cow.
("lion" "needs" "cow" "+")
int1
The bald eagle sees the lion.
("bald eagle" "sees" "lion" "+")
int2
The lion visits the cow.
False
1
inv-proof
[(triple10)]
("lion" "visits" "cow" "+")
triple10
The bald eagle is not young.
Unknown
inv-rconc
[@1: The bald eagle is young.[CWA. Example of deepest failure = (rule3 <- FAIL)]]
("bald eagle" "is" "young" "-")
The lion needs the lion.
Unknown
random
[@0: The lion needs the lion.[CWA. Example of deepest failure = (FAIL)]]
("lion" "needs" "lion" "+")
@0: The bald eagle is nice.[(triple1)] The bald eagle sees the cow.[(triple2)] The bald eagle visits the cow.[(triple3)] The bald eagle visits the lion.[(triple4)] The cow is nice.[(triple5)] The cow visits the bald eagle.[(triple6)] The lion does not see the cow.[(triple9)] The lion does not visit the cow.[(triple10)] The lion needs the bald eagle.[(triple7)] The lion needs the cow.[(triple8 OR ((((triple7 triple3) -> rule4)) -> rule2))] @1: The bald eagle sees the lion.[(((triple7 triple3) -> rule4))]
The bald eagle is nice.
("bald eagle" "is" "nice" "+")
triple1
The bald eagle sees the cow.
("bald eagle" "sees" "cow" "+")
triple2
The bald eagle visits the cow.
("bald eagle" "visits" "cow" "+")
triple3
The bald eagle visits the lion.
("bald eagle" "visits" "lion" "+")
triple4
The cow is nice.
("cow" "is" "nice" "+")
triple5
The cow visits the bald eagle.
("cow" "visits" "bald eagle" "+")
triple6
The lion does not see the cow.
("lion" "sees" "cow" "-")
triple9
The lion does not visit the cow.
("lion" "visits" "cow" "-")
triple10
The lion needs the bald eagle.
("lion" "needs" "bald eagle" "+")
triple7
The lion needs the cow.
("lion" "needs" "cow" "+")
triple8
((((triple7 triple3) -> (rule4 % int2))) -> (rule2 % int1))
The lion needs the cow.
("lion" "needs" "cow" "+")
int1
The bald eagle sees the lion.
("bald eagle" "sees" "lion" "+")
int2
The bald eagle sees the lion.
("bald eagle" "sees" "lion" "+")
((triple7 triple3) -> (rule4 % int1))
The bald eagle sees the lion.
("bald eagle" "sees" "lion" "+")
int1