Dave is quiet. Dave is young. Fiona is cold. If someone is furry then they are not cold. White, furry people are young.
Dave is quiet.
("Dave" "is" "quiet" "+")
Dave is young.
("Dave" "is" "young" "+")
Fiona is cold.
("Fiona" "is" "cold" "+")
If someone is furry then they are not cold.
((("someone" "is" "furry" "+")) -> ("someone" "is" "cold" "-"))
White, furry people are young.
((("someone" "is" "white" "+") ("someone" "is" "furry" "+")) -> ("someone" "is" "young" "+"))
Dave is young.
True
1
proof
[(triple2)]
("Dave" "is" "young" "+")
triple2
Dave is not young.
False
1
inv-proof
[(triple2)]
("Dave" "is" "young" "-")
triple2
Fiona is not young.
Unknown
inv-rconc
[@1: Fiona is young.[CWA. Example of deepest failure = (rule2 <- FAIL)]]
("Fiona" "is" "young" "-")
Fiona is quiet.
Unknown
random
[@0: Fiona is quiet.[CWA. Example of deepest failure = (FAIL)]]
("Fiona" "is" "quiet" "+")
@0: Dave is quiet.[(triple1)] Dave is young.[(triple2)] Fiona is cold.[(triple3)]
Dave is quiet.
("Dave" "is" "quiet" "+")
triple1
Dave is young.
("Dave" "is" "young" "+")
triple2
Fiona is cold.
("Fiona" "is" "cold" "+")
triple3