Harry is blue. Harry is furry. Harry is nice. Harry is rough. Harry is round. Harry is not smart. Harry is white. If Harry is not furry then Harry is blue.
Harry is blue.
("Harry" "is" "blue" "+")
Harry is furry.
("Harry" "is" "furry" "+")
Harry is nice.
("Harry" "is" "nice" "+")
Harry is rough.
("Harry" "is" "rough" "+")
Harry is round.
("Harry" "is" "round" "+")
Harry is not smart.
("Harry" "is" "smart" "-")
Harry is white.
("Harry" "is" "white" "+")
If Harry is not furry then Harry is blue.
((("Harry" "is" "furry" "~")) -> ("Harry" "is" "blue" "+"))
Harry is not smart.
True
1
proof
[(triple6)]
("Harry" "is" "smart" "-")
triple6
Harry is not round.
False
1
inv-proof
[(triple5)]
("Harry" "is" "round" "-")
triple5
@0: Harry is blue.[(triple1)] Harry is furry.[(triple2)] Harry is nice.[(triple3)] Harry is not smart.[(triple6)] Harry is rough.[(triple4)] Harry is round.[(triple5)] Harry is white.[(triple7)]
Harry is blue.
("Harry" "is" "blue" "+")
triple1
Harry is furry.
("Harry" "is" "furry" "+")
triple2
Harry is nice.
("Harry" "is" "nice" "+")
triple3
Harry is not smart.
("Harry" "is" "smart" "-")
triple6
Harry is rough.
("Harry" "is" "rough" "+")
triple4
Harry is round.
("Harry" "is" "round" "+")
triple5
Harry is white.
("Harry" "is" "white" "+")
triple7