The bear is round. The bear is young. The bear visits the cat. The bear visits the dog. The cat is round. The cat does not visit the bear. The cat visits the dog. The dog chases the bear. The dog chases the cat. The dog is not green. The dog is not round. The dog is young. The dog needs the bear. The dog needs the cat. The dog visits the bear. If someone needs the dog then they do not visit the dog. If someone needs the cat and they do not visit the dog then the dog does not need the cat.
The bear is round.
("bear" "is" "round" "+")
The bear is young.
("bear" "is" "young" "+")
The bear visits the cat.
("bear" "visits" "cat" "+")
The bear visits the dog.
("bear" "visits" "dog" "+")
The cat is round.
("cat" "is" "round" "+")
The cat does not visit the bear.
("cat" "visits" "bear" "-")
The cat visits the dog.
("cat" "visits" "dog" "+")
The dog chases the bear.
("dog" "chases" "bear" "+")
The dog chases the cat.
("dog" "chases" "cat" "+")
The dog is not green.
("dog" "is" "green" "-")
The dog is not round.
("dog" "is" "round" "-")
The dog is young.
("dog" "is" "young" "+")
The dog needs the bear.
("dog" "needs" "bear" "+")
The dog needs the cat.
("dog" "needs" "cat" "+")
The dog visits the bear.
("dog" "visits" "bear" "+")
If someone needs the dog then they do not visit the dog.
((("someone" "needs" "dog" "+")) -> ("someone" "visits" "dog" "-"))
If someone needs the cat and they do not visit the dog then the dog does not need the cat.
((("someone" "needs" "cat" "+") ("someone" "visits" "dog" "~")) -> ("dog" "needs" "cat" "-"))
The dog chases the cat.
True
1
proof
[(triple9)]
("dog" "chases" "cat" "+")
triple9
The dog does not visit the bear.
False
1
inv-proof
[(triple15)]
("dog" "visits" "bear" "-")
triple15
The bear is not red.
Unknown
inv-random
[@0: The bear is red.[CWA. Example of deepest failure = (FAIL)]]
("bear" "is" "red" "-")
The bear needs the cat.
Unknown
random
[@0: The bear needs the cat.[CWA. Example of deepest failure = (FAIL)]]
("bear" "needs" "cat" "+")
@0: The bear is round.[(triple1)] The bear is young.[(triple2)] The bear visits the cat.[(triple3)] The bear visits the dog.[(triple4)] The cat does not visit the bear.[(triple6)] The cat is round.[(triple5)] The cat visits the dog.[(triple7)] The dog chases the bear.[(triple8)] The dog chases the cat.[(triple9)] The dog is not green.[(triple10)] The dog is not round.[(triple11)] The dog is young.[(triple12)] The dog needs the bear.[(triple13)] The dog needs the cat.[(triple14)] The dog visits the bear.[(triple15)]
The bear is round.
("bear" "is" "round" "+")
triple1
The bear is young.
("bear" "is" "young" "+")
triple2
The bear visits the cat.
("bear" "visits" "cat" "+")
triple3
The bear visits the dog.
("bear" "visits" "dog" "+")
triple4
The cat does not visit the bear.
("cat" "visits" "bear" "-")
triple6
The cat is round.
("cat" "is" "round" "+")
triple5
The cat visits the dog.
("cat" "visits" "dog" "+")
triple7
The dog chases the bear.
("dog" "chases" "bear" "+")
triple8
The dog chases the cat.
("dog" "chases" "cat" "+")
triple9
The dog is not green.
("dog" "is" "green" "-")
triple10
The dog is not round.
("dog" "is" "round" "-")
triple11
The dog is young.
("dog" "is" "young" "+")
triple12
The dog needs the bear.
("dog" "needs" "bear" "+")
triple13
The dog needs the cat.
("dog" "needs" "cat" "+")
triple14
The dog visits the bear.
("dog" "visits" "bear" "+")
triple15