Bob is big. Erin is blue. Fiona is young. Young people are cold. All big people are nice. Young, furry people are big.
Bob is big.
("Bob" "is" "big" "+")
Erin is blue.
("Erin" "is" "blue" "+")
Fiona is young.
("Fiona" "is" "young" "+")
Young people are cold.
((("someone" "is" "young" "+")) -> ("someone" "is" "cold" "+"))
All big people are nice.
((("someone" "is" "big" "+")) -> ("someone" "is" "nice" "+"))
Young, furry people are big.
((("someone" "is" "young" "+") ("someone" "is" "furry" "+")) -> ("someone" "is" "big" "+"))
Bob is big.
True
1
proof
[(triple1)]
("Bob" "is" "big" "+")
triple1
Erin is not blue.
False
1
inv-proof
[(triple2)]
("Erin" "is" "blue" "-")
triple2
Erin is not nice.
Unknown
inv-rconc
[@2: Erin is nice.[CWA. Example of deepest failure = (rule2 <- rule3 <- FAIL)]]
("Erin" "is" "nice" "-")
Erin is furry.
Unknown
random
[@0: Erin is furry.[CWA. Example of deepest failure = (FAIL)]]
("Erin" "is" "furry" "+")
@0: Bob is big.[(triple1)] Erin is blue.[(triple2)] Fiona is young.[(triple3)] @1: Bob is nice.[(((triple1) -> rule2))] Fiona is cold.[(((triple3) -> rule1))]
Bob is big.
("Bob" "is" "big" "+")
triple1
Erin is blue.
("Erin" "is" "blue" "+")
triple2
Fiona is young.
("Fiona" "is" "young" "+")
triple3
Bob is nice.
("Bob" "is" "nice" "+")
((triple1) -> (rule2 % int1))
Bob is nice.
("Bob" "is" "nice" "+")
int1
Fiona is cold.
("Fiona" "is" "cold" "+")
((triple3) -> (rule1 % int1))
Fiona is cold.
("Fiona" "is" "cold" "+")
int1